Home / 42,416.80-63,625.20-26,903.20

Finding the Fourth Proportional to 42,416.80, 63,625.20 and 26,903.20

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Solution

The fourth proportional to 42,416.80, 63,625.20 and 26,903.20 is: 40,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416.80 : 63,625.20 = 26,903.20 : x
  2. Step 2: Convert to fraction form
    42,416.80/63,625.20 = 26,903.20/x
  3. Step 3: Cross multiply
    42,416.80x = 63,625.20 × 26,903.20
  4. Step 4: Simplify right side
    42,416.80x = 1,711,721,480.64
  5. Step 5: Solve for x
    x = 1,711,721,480.64/42,416.80
  6. Step 6: Final answer
    x = 40,354.80

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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.