Home / 40,397.47-55,733.43-40,335.10

Finding the Fourth Proportional to 40,397.47, 55,733.43 and 40,335.10

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Solution

The fourth proportional to 40,397.47, 55,733.43 and 40,335.10 is: 55,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.47 : 55,733.43 = 40,335.10 : x
  2. Step 2: Convert to fraction form
    40,397.47/55,733.43 = 40,335.10/x
  3. Step 3: Cross multiply
    40,397.47x = 55,733.43 × 40,335.10
  4. Step 4: Simplify right side
    40,397.47x = 2,248,013,472.39
  5. Step 5: Solve for x
    x = 2,248,013,472.39/40,397.47
  6. Step 6: Final answer
    x = 55,647.38

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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.