Home / 39,801.84-59,646.96-31,445.28

Finding the Fourth Proportional to 39,801.84, 59,646.96 and 31,445.28

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Solution

The fourth proportional to 39,801.84, 59,646.96 and 31,445.28 is: 47,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.84 : 59,646.96 = 31,445.28 : x
  2. Step 2: Convert to fraction form
    39,801.84/59,646.96 = 31,445.28/x
  3. Step 3: Cross multiply
    39,801.84x = 59,646.96 × 31,445.28
  4. Step 4: Simplify right side
    39,801.84x = 1,875,615,358.35
  5. Step 5: Solve for x
    x = 1,875,615,358.35/39,801.84
  6. Step 6: Final answer
    x = 47,123.84

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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.