Home / 38,957.06-58,487.43-20,502.02

Finding the Fourth Proportional to 38,957.06, 58,487.43 and 20,502.02

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Solution

The fourth proportional to 38,957.06, 58,487.43 and 20,502.02 is: 30,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957.06 : 58,487.43 = 20,502.02 : x
  2. Step 2: Convert to fraction form
    38,957.06/58,487.43 = 20,502.02/x
  3. Step 3: Cross multiply
    38,957.06x = 58,487.43 × 20,502.02
  4. Step 4: Simplify right side
    38,957.06x = 1,199,110,459.61
  5. Step 5: Solve for x
    x = 1,199,110,459.61/38,957.06
  6. Step 6: Final answer
    x = 30,780.31

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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.