Home / 39,829.80-59,744.70-38,123.40

Finding the Fourth Proportional to 39,829.80, 59,744.70 and 38,123.40

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Solution

The fourth proportional to 39,829.80, 59,744.70 and 38,123.40 is: 57,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.80 : 59,744.70 = 38,123.40 : x
  2. Step 2: Convert to fraction form
    39,829.80/59,744.70 = 38,123.40/x
  3. Step 3: Cross multiply
    39,829.80x = 59,744.70 × 38,123.40
  4. Step 4: Simplify right side
    39,829.80x = 2,277,671,095.98
  5. Step 5: Solve for x
    x = 2,277,671,095.98/39,829.80
  6. Step 6: Final answer
    x = 57,185.10

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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.