Home / 39,449.91-59,152.98-13,140.30

Finding the Fourth Proportional to 39,449.91, 59,152.98 and 13,140.30

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Solution

The fourth proportional to 39,449.91, 59,152.98 and 13,140.30 is: 19,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.91 : 59,152.98 = 13,140.30 : x
  2. Step 2: Convert to fraction form
    39,449.91/59,152.98 = 13,140.30/x
  3. Step 3: Cross multiply
    39,449.91x = 59,152.98 × 13,140.30
  4. Step 4: Simplify right side
    39,449.91x = 777,287,903.09
  5. Step 5: Solve for x
    x = 777,287,903.09/39,449.91
  6. Step 6: Final answer
    x = 19,703.16

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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.