Home / 42,660.40-63,904.20-24,170.80

Finding the Fourth Proportional to 42,660.40, 63,904.20 and 24,170.80

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Solution

The fourth proportional to 42,660.40, 63,904.20 and 24,170.80 is: 36,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,660.40 : 63,904.20 = 24,170.80 : x
  2. Step 2: Convert to fraction form
    42,660.40/63,904.20 = 24,170.80/x
  3. Step 3: Cross multiply
    42,660.40x = 63,904.20 × 24,170.80
  4. Step 4: Simplify right side
    42,660.40x = 1,544,615,637.36
  5. Step 5: Solve for x
    x = 1,544,615,637.36/42,660.40
  6. Step 6: Final answer
    x = 36,207.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.