Home / 53,015.32-79,532.70-17,478.73

Finding the Fourth Proportional to 53,015.32, 79,532.70 and 17,478.73

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Solution

The fourth proportional to 53,015.32, 79,532.70 and 17,478.73 is: 26,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.32 : 79,532.70 = 17,478.73 : x
  2. Step 2: Convert to fraction form
    53,015.32/79,532.70 = 17,478.73/x
  3. Step 3: Cross multiply
    53,015.32x = 79,532.70 × 17,478.73
  4. Step 4: Simplify right side
    53,015.32x = 1,390,130,589.47
  5. Step 5: Solve for x
    x = 1,390,130,589.47/53,015.32
  6. Step 6: Final answer
    x = 26,221.30

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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.