Home / 49,838.80-74,657.40-31,061.20

Finding the Fourth Proportional to 49,838.80, 74,657.40 and 31,061.20

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Solution

The fourth proportional to 49,838.80, 74,657.40 and 31,061.20 is: 46,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,838.80 : 74,657.40 = 31,061.20 : x
  2. Step 2: Convert to fraction form
    49,838.80/74,657.40 = 31,061.20/x
  3. Step 3: Cross multiply
    49,838.80x = 74,657.40 × 31,061.20
  4. Step 4: Simplify right side
    49,838.80x = 2,318,948,432.88
  5. Step 5: Solve for x
    x = 2,318,948,432.88/49,838.80
  6. Step 6: Final answer
    x = 46,528.98

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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.