Home / 40,397.40-55,717.07-35,864.87

Finding the Fourth Proportional to 40,397.40, 55,717.07 and 35,864.87

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Solution

The fourth proportional to 40,397.40, 55,717.07 and 35,864.87 is: 49,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.40 : 55,717.07 = 35,864.87 : x
  2. Step 2: Convert to fraction form
    40,397.40/55,717.07 = 35,864.87/x
  3. Step 3: Cross multiply
    40,397.40x = 55,717.07 × 35,864.87
  4. Step 4: Simplify right side
    40,397.40x = 1,998,285,014.42
  5. Step 5: Solve for x
    x = 1,998,285,014.42/40,397.40
  6. Step 6: Final answer
    x = 49,465.68

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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.