Home / 55,148.64-76,149.36-38,352.48

Finding the Fourth Proportional to 55,148.64, 76,149.36 and 38,352.48

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Solution

The fourth proportional to 55,148.64, 76,149.36 and 38,352.48 is: 52,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.64 : 76,149.36 = 38,352.48 : x
  2. Step 2: Convert to fraction form
    55,148.64/76,149.36 = 38,352.48/x
  3. Step 3: Cross multiply
    55,148.64x = 76,149.36 × 38,352.48
  4. Step 4: Simplify right side
    55,148.64x = 2,920,516,806.41
  5. Step 5: Solve for x
    x = 2,920,516,806.41/55,148.64
  6. Step 6: Final answer
    x = 52,957.19

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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.