Home / 39,639.38-59,449.35-13,343.54

Finding the Fourth Proportional to 39,639.38, 59,449.35 and 13,343.54

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Solution

The fourth proportional to 39,639.38, 59,449.35 and 13,343.54 is: 20,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.38 : 59,449.35 = 13,343.54 : x
  2. Step 2: Convert to fraction form
    39,639.38/59,449.35 = 13,343.54/x
  3. Step 3: Cross multiply
    39,639.38x = 59,449.35 × 13,343.54
  4. Step 4: Simplify right side
    39,639.38x = 793,264,779.70
  5. Step 5: Solve for x
    x = 793,264,779.70/39,639.38
  6. Step 6: Final answer
    x = 20,012.04

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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.