Home / 48,881.40-67,452.30-28,739.13

Finding the Fourth Proportional to 48,881.40, 67,452.30 and 28,739.13

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Solution

The fourth proportional to 48,881.40, 67,452.30 and 28,739.13 is: 39,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,881.40 : 67,452.30 = 28,739.13 : x
  2. Step 2: Convert to fraction form
    48,881.40/67,452.30 = 28,739.13/x
  3. Step 3: Cross multiply
    48,881.40x = 67,452.30 × 28,739.13
  4. Step 4: Simplify right side
    48,881.40x = 1,938,520,418.50
  5. Step 5: Solve for x
    x = 1,938,520,418.50/48,881.40
  6. Step 6: Final answer
    x = 39,657.63

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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.