Home / 49,818.60-74,727.90-38,543.40

Finding the Fourth Proportional to 49,818.60, 74,727.90 and 38,543.40

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Solution

The fourth proportional to 49,818.60, 74,727.90 and 38,543.40 is: 57,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,818.60 : 74,727.90 = 38,543.40 : x
  2. Step 2: Convert to fraction form
    49,818.60/74,727.90 = 38,543.40/x
  3. Step 3: Cross multiply
    49,818.60x = 74,727.90 × 38,543.40
  4. Step 4: Simplify right side
    49,818.60x = 2,880,267,340.86
  5. Step 5: Solve for x
    x = 2,880,267,340.86/49,818.60
  6. Step 6: Final answer
    x = 57,815.10

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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.