Home / 55,439.64-76,487.49-31,560.23

Finding the Fourth Proportional to 55,439.64, 76,487.49 and 31,560.23

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Solution

The fourth proportional to 55,439.64, 76,487.49 and 31,560.23 is: 43,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.64 : 76,487.49 = 31,560.23 : x
  2. Step 2: Convert to fraction form
    55,439.64/76,487.49 = 31,560.23/x
  3. Step 3: Cross multiply
    55,439.64x = 76,487.49 × 31,560.23
  4. Step 4: Simplify right side
    55,439.64x = 2,413,962,967.74
  5. Step 5: Solve for x
    x = 2,413,962,967.74/55,439.64
  6. Step 6: Final answer
    x = 43,542.18

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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.