Home / 48,839.43-67,411.70-28,702.80

Finding the Fourth Proportional to 48,839.43, 67,411.70 and 28,702.80

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Solution

The fourth proportional to 48,839.43, 67,411.70 and 28,702.80 is: 39,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.43 : 67,411.70 = 28,702.80 : x
  2. Step 2: Convert to fraction form
    48,839.43/67,411.70 = 28,702.80/x
  3. Step 3: Cross multiply
    48,839.43x = 67,411.70 × 28,702.80
  4. Step 4: Simplify right side
    48,839.43x = 1,934,904,542.76
  5. Step 5: Solve for x
    x = 1,934,904,542.76/48,839.43
  6. Step 6: Final answer
    x = 39,617.67

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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.