Home / 48,034.12-72,058.86-20,332.36

Finding the Fourth Proportional to 48,034.12, 72,058.86 and 20,332.36

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Solution

The fourth proportional to 48,034.12, 72,058.86 and 20,332.36 is: 30,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,034.12 : 72,058.86 = 20,332.36 : x
  2. Step 2: Convert to fraction form
    48,034.12/72,058.86 = 20,332.36/x
  3. Step 3: Cross multiply
    48,034.12x = 72,058.86 × 20,332.36
  4. Step 4: Simplify right side
    48,034.12x = 1,465,126,682.71
  5. Step 5: Solve for x
    x = 1,465,126,682.71/48,034.12
  6. Step 6: Final answer
    x = 30,501.79

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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.