Home / 39,453.80-59,180.93-13,158.47

Finding the Fourth Proportional to 39,453.80, 59,180.93 and 13,158.47

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Solution

The fourth proportional to 39,453.80, 59,180.93 and 13,158.47 is: 19,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.80 : 59,180.93 = 13,158.47 : x
  2. Step 2: Convert to fraction form
    39,453.80/59,180.93 = 13,158.47/x
  3. Step 3: Cross multiply
    39,453.80x = 59,180.93 × 13,158.47
  4. Step 4: Simplify right side
    39,453.80x = 778,730,253.58
  5. Step 5: Solve for x
    x = 778,730,253.58/39,453.80
  6. Step 6: Final answer
    x = 19,737.78

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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.