Home / 39,713.86-59,572.22-19,981.68

Finding the Fourth Proportional to 39,713.86, 59,572.22 and 19,981.68

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Solution

The fourth proportional to 39,713.86, 59,572.22 and 19,981.68 is: 29,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.86 : 59,572.22 = 19,981.68 : x
  2. Step 2: Convert to fraction form
    39,713.86/59,572.22 = 19,981.68/x
  3. Step 3: Cross multiply
    39,713.86x = 59,572.22 × 19,981.68
  4. Step 4: Simplify right side
    39,713.86x = 1,190,353,036.93
  5. Step 5: Solve for x
    x = 1,190,353,036.93/39,713.86
  6. Step 6: Final answer
    x = 29,973.24

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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.