Home / 39,433.49-59,159.65-13,138.46

Finding the Fourth Proportional to 39,433.49, 59,159.65 and 13,138.46

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Solution

The fourth proportional to 39,433.49, 59,159.65 and 13,138.46 is: 19,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.49 : 59,159.65 = 13,138.46 : x
  2. Step 2: Convert to fraction form
    39,433.49/59,159.65 = 13,138.46/x
  3. Step 3: Cross multiply
    39,433.49x = 59,159.65 × 13,138.46
  4. Step 4: Simplify right side
    39,433.49x = 777,266,695.14
  5. Step 5: Solve for x
    x = 777,266,695.14/39,433.49
  6. Step 6: Final answer
    x = 19,710.83

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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.