Home / 55,280.16-76,288.68-31,410.88

Finding the Fourth Proportional to 55,280.16, 76,288.68 and 31,410.88

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Solution

The fourth proportional to 55,280.16, 76,288.68 and 31,410.88 is: 43,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.16 : 76,288.68 = 31,410.88 : x
  2. Step 2: Convert to fraction form
    55,280.16/76,288.68 = 31,410.88/x
  3. Step 3: Cross multiply
    55,280.16x = 76,288.68 × 31,410.88
  4. Step 4: Simplify right side
    55,280.16x = 2,396,294,572.84
  5. Step 5: Solve for x
    x = 2,396,294,572.84/55,280.16
  6. Step 6: Final answer
    x = 43,348.18

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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.