Home / 39,781.27-59,671.91-18,941.59

Finding the Fourth Proportional to 39,781.27, 59,671.91 and 18,941.59

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Solution

The fourth proportional to 39,781.27, 59,671.91 and 18,941.59 is: 28,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,781.27 : 59,671.91 = 18,941.59 : x
  2. Step 2: Convert to fraction form
    39,781.27/59,671.91 = 18,941.59/x
  3. Step 3: Cross multiply
    39,781.27x = 59,671.91 × 18,941.59
  4. Step 4: Simplify right side
    39,781.27x = 1,130,280,853.74
  5. Step 5: Solve for x
    x = 1,130,280,853.74/39,781.27
  6. Step 6: Final answer
    x = 28,412.39

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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.