Home / 40,398.47-55,734.81-40,336.10

Finding the Fourth Proportional to 40,398.47, 55,734.81 and 40,336.10

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Solution

The fourth proportional to 40,398.47, 55,734.81 and 40,336.10 is: 55,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.47 : 55,734.81 = 40,336.10 : x
  2. Step 2: Convert to fraction form
    40,398.47/55,734.81 = 40,336.10/x
  3. Step 3: Cross multiply
    40,398.47x = 55,734.81 × 40,336.10
  4. Step 4: Simplify right side
    40,398.47x = 2,248,124,869.64
  5. Step 5: Solve for x
    x = 2,248,124,869.64/40,398.47
  6. Step 6: Final answer
    x = 55,648.76

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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.