Home / 39,617.76-59,426.64-13,322.52

Finding the Fourth Proportional to 39,617.76, 59,426.64 and 13,322.52

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Solution

The fourth proportional to 39,617.76, 59,426.64 and 13,322.52 is: 19,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,617.76 : 59,426.64 = 13,322.52 : x
  2. Step 2: Convert to fraction form
    39,617.76/59,426.64 = 13,322.52/x
  3. Step 3: Cross multiply
    39,617.76x = 59,426.64 × 13,322.52
  4. Step 4: Simplify right side
    39,617.76x = 791,712,599.93
  5. Step 5: Solve for x
    x = 791,712,599.93/39,617.76
  6. Step 6: Final answer
    x = 19,983.78

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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.