Home / 48,417.81-72,610.39-18,424.93

Finding the Fourth Proportional to 48,417.81, 72,610.39 and 18,424.93

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Solution

The fourth proportional to 48,417.81, 72,610.39 and 18,424.93 is: 27,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,417.81 : 72,610.39 = 18,424.93 : x
  2. Step 2: Convert to fraction form
    48,417.81/72,610.39 = 18,424.93/x
  3. Step 3: Cross multiply
    48,417.81x = 72,610.39 × 18,424.93
  4. Step 4: Simplify right side
    48,417.81x = 1,337,841,353.02
  5. Step 5: Solve for x
    x = 1,337,841,353.02/48,417.81
  6. Step 6: Final answer
    x = 27,631.18

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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.