Home / 53,055.54-79,581.30-17,995.20

Finding the Fourth Proportional to 53,055.54, 79,581.30 and 17,995.20

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Solution

The fourth proportional to 53,055.54, 79,581.30 and 17,995.20 is: 26,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,055.54 : 79,581.30 = 17,995.20 : x
  2. Step 2: Convert to fraction form
    53,055.54/79,581.30 = 17,995.20/x
  3. Step 3: Cross multiply
    53,055.54x = 79,581.30 × 17,995.20
  4. Step 4: Simplify right side
    53,055.54x = 1,432,081,409.76
  5. Step 5: Solve for x
    x = 1,432,081,409.76/53,055.54
  6. Step 6: Final answer
    x = 26,992.12

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.