Home / 55,098.16-76,036.24-29,947.68

Finding the Fourth Proportional to 55,098.16, 76,036.24 and 29,947.68

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Solution

The fourth proportional to 55,098.16, 76,036.24 and 29,947.68 is: 41,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098.16 : 76,036.24 = 29,947.68 : x
  2. Step 2: Convert to fraction form
    55,098.16/76,036.24 = 29,947.68/x
  3. Step 3: Cross multiply
    55,098.16x = 76,036.24 × 29,947.68
  4. Step 4: Simplify right side
    55,098.16x = 2,277,108,983.92
  5. Step 5: Solve for x
    x = 2,277,108,983.92/55,098.16
  6. Step 6: Final answer
    x = 41,328.22

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1.5x scale

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.