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Finding the Fourth Proportional to 32,737.60, 45,177.76 and 18,589.76

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Solution

The fourth proportional to 32,737.60, 45,177.76 and 18,589.76 is: 25,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,737.60 : 45,177.76 = 18,589.76 : x
  2. Step 2: Convert to fraction form
    32,737.60/45,177.76 = 18,589.76/x
  3. Step 3: Cross multiply
    32,737.60x = 45,177.76 × 18,589.76
  4. Step 4: Simplify right side
    32,737.60x = 839,843,715.74
  5. Step 5: Solve for x
    x = 839,843,715.74/32,737.60
  6. Step 6: Final answer
    x = 25,653.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.