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Finding the Fourth Proportional to 39,285.56, 58,484.08 and 39,052.08

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Solution

The fourth proportional to 39,285.56, 58,484.08 and 39,052.08 is: 58,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285.56 : 58,484.08 = 39,052.08 : x
  2. Step 2: Convert to fraction form
    39,285.56/58,484.08 = 39,052.08/x
  3. Step 3: Cross multiply
    39,285.56x = 58,484.08 × 39,052.08
  4. Step 4: Simplify right side
    39,285.56x = 2,283,924,970.89
  5. Step 5: Solve for x
    x = 2,283,924,970.89/39,285.56
  6. Step 6: Final answer
    x = 58,136.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.