Home / 39,681.96-59,493.75-18,920.04

Finding the Fourth Proportional to 39,681.96, 59,493.75 and 18,920.04

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Solution

The fourth proportional to 39,681.96, 59,493.75 and 18,920.04 is: 28,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.96 : 59,493.75 = 18,920.04 : x
  2. Step 2: Convert to fraction form
    39,681.96/59,493.75 = 18,920.04/x
  3. Step 3: Cross multiply
    39,681.96x = 59,493.75 × 18,920.04
  4. Step 4: Simplify right side
    39,681.96x = 1,125,624,129.75
  5. Step 5: Solve for x
    x = 1,125,624,129.75/39,681.96
  6. Step 6: Final answer
    x = 28,366.14

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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.