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Finding the Fourth Proportional to 47,330.60, 70,935.60 and 25,154.60

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Solution

The fourth proportional to 47,330.60, 70,935.60 and 25,154.60 is: 37,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,330.60 : 70,935.60 = 25,154.60 : x
  2. Step 2: Convert to fraction form
    47,330.60/70,935.60 = 25,154.60/x
  3. Step 3: Cross multiply
    47,330.60x = 70,935.60 × 25,154.60
  4. Step 4: Simplify right side
    47,330.60x = 1,784,356,643.76
  5. Step 5: Solve for x
    x = 1,784,356,643.76/47,330.60
  6. Step 6: Final answer
    x = 37,699.85

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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.