Home / 49,874.40-74,777.04-18,701.28

Finding the Fourth Proportional to 49,874.40, 74,777.04 and 18,701.28

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Solution

The fourth proportional to 49,874.40, 74,777.04 and 18,701.28 is: 28,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,874.40 : 74,777.04 = 18,701.28 : x
  2. Step 2: Convert to fraction form
    49,874.40/74,777.04 = 18,701.28/x
  3. Step 3: Cross multiply
    49,874.40x = 74,777.04 × 18,701.28
  4. Step 4: Simplify right side
    49,874.40x = 1,398,426,362.61
  5. Step 5: Solve for x
    x = 1,398,426,362.61/49,874.40
  6. Step 6: Final answer
    x = 28,038.96

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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.