Home / 37,442.40-56,139.60-17,695.20

Finding the Fourth Proportional to 37,442.40, 56,139.60 and 17,695.20

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Solution

The fourth proportional to 37,442.40, 56,139.60 and 17,695.20 is: 26,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.40 : 56,139.60 = 17,695.20 : x
  2. Step 2: Convert to fraction form
    37,442.40/56,139.60 = 17,695.20/x
  3. Step 3: Cross multiply
    37,442.40x = 56,139.60 × 17,695.20
  4. Step 4: Simplify right side
    37,442.40x = 993,401,449.92
  5. Step 5: Solve for x
    x = 993,401,449.92/37,442.40
  6. Step 6: Final answer
    x = 26,531.46

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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.