Home / 42,908.40-59,227.20-25,012.80

Finding the Fourth Proportional to 42,908.40, 59,227.20 and 25,012.80

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Solution

The fourth proportional to 42,908.40, 59,227.20 and 25,012.80 is: 34,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,908.40 : 59,227.20 = 25,012.80 : x
  2. Step 2: Convert to fraction form
    42,908.40/59,227.20 = 25,012.80/x
  3. Step 3: Cross multiply
    42,908.40x = 59,227.20 × 25,012.80
  4. Step 4: Simplify right side
    42,908.40x = 1,481,438,108.16
  5. Step 5: Solve for x
    x = 1,481,438,108.16/42,908.40
  6. Step 6: Final answer
    x = 34,525.60

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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.