Home / 53,587.08-73,956.26-30,932.15

Finding the Fourth Proportional to 53,587.08, 73,956.26 and 30,932.15

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Solution

The fourth proportional to 53,587.08, 73,956.26 and 30,932.15 is: 42,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,587.08 : 73,956.26 = 30,932.15 : x
  2. Step 2: Convert to fraction form
    53,587.08/73,956.26 = 30,932.15/x
  3. Step 3: Cross multiply
    53,587.08x = 73,956.26 × 30,932.15
  4. Step 4: Simplify right side
    53,587.08x = 2,287,625,603.32
  5. Step 5: Solve for x
    x = 2,287,625,603.32/53,587.08
  6. Step 6: Final answer
    x = 42,689.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.