Home / 48,654.24-72,988.92-20,574.36

Finding the Fourth Proportional to 48,654.24, 72,988.92 and 20,574.36

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Solution

The fourth proportional to 48,654.24, 72,988.92 and 20,574.36 is: 30,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654.24 : 72,988.92 = 20,574.36 : x
  2. Step 2: Convert to fraction form
    48,654.24/72,988.92 = 20,574.36/x
  3. Step 3: Cross multiply
    48,654.24x = 72,988.92 × 20,574.36
  4. Step 4: Simplify right side
    48,654.24x = 1,501,700,316.09
  5. Step 5: Solve for x
    x = 1,501,700,316.09/48,654.24
  6. Step 6: Final answer
    x = 30,864.74

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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.