Home / 60,294.86-90,442.29-20,830.44

Finding the Fourth Proportional to 60,294.86, 90,442.29 and 20,830.44

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Solution

The fourth proportional to 60,294.86, 90,442.29 and 20,830.44 is: 31,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,294.86 : 90,442.29 = 20,830.44 : x
  2. Step 2: Convert to fraction form
    60,294.86/90,442.29 = 20,830.44/x
  3. Step 3: Cross multiply
    60,294.86x = 90,442.29 × 20,830.44
  4. Step 4: Simplify right side
    60,294.86x = 1,883,952,695.31
  5. Step 5: Solve for x
    x = 1,883,952,695.31/60,294.86
  6. Step 6: Final answer
    x = 31,245.66

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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.