Home / 39,435.28-59,146.52-13,140.24

Finding the Fourth Proportional to 39,435.28, 59,146.52 and 13,140.24

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Solution

The fourth proportional to 39,435.28, 59,146.52 and 13,140.24 is: 19,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.28 : 59,146.52 = 13,140.24 : x
  2. Step 2: Convert to fraction form
    39,435.28/59,146.52 = 13,140.24/x
  3. Step 3: Cross multiply
    39,435.28x = 59,146.52 × 13,140.24
  4. Step 4: Simplify right side
    39,435.28x = 777,199,467.96
  5. Step 5: Solve for x
    x = 777,199,467.96/39,435.28
  6. Step 6: Final answer
    x = 19,708.23

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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.