Home / 49,346.40-74,024.28-13,807.74

Finding the Fourth Proportional to 49,346.40, 74,024.28 and 13,807.74

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Solution

The fourth proportional to 49,346.40, 74,024.28 and 13,807.74 is: 20,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,346.40 : 74,024.28 = 13,807.74 : x
  2. Step 2: Convert to fraction form
    49,346.40/74,024.28 = 13,807.74/x
  3. Step 3: Cross multiply
    49,346.40x = 74,024.28 × 13,807.74
  4. Step 4: Simplify right side
    49,346.40x = 1,022,108,011.93
  5. Step 5: Solve for x
    x = 1,022,108,011.93/49,346.40
  6. Step 6: Final answer
    x = 20,712.92

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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.