Home / 53,041.13-79,555.75-13,599.17

Finding the Fourth Proportional to 53,041.13, 79,555.75 and 13,599.17

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Solution

The fourth proportional to 53,041.13, 79,555.75 and 13,599.17 is: 20,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,041.13 : 79,555.75 = 13,599.17 : x
  2. Step 2: Convert to fraction form
    53,041.13/79,555.75 = 13,599.17/x
  3. Step 3: Cross multiply
    53,041.13x = 79,555.75 × 13,599.17
  4. Step 4: Simplify right side
    53,041.13x = 1,081,892,168.73
  5. Step 5: Solve for x
    x = 1,081,892,168.73/53,041.13
  6. Step 6: Final answer
    x = 20,397.23

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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.