Home / 48,666.26-67,165.88-28,531.05

Finding the Fourth Proportional to 48,666.26, 67,165.88 and 28,531.05

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Solution

The fourth proportional to 48,666.26, 67,165.88 and 28,531.05 is: 39,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.26 : 67,165.88 = 28,531.05 : x
  2. Step 2: Convert to fraction form
    48,666.26/67,165.88 = 28,531.05/x
  3. Step 3: Cross multiply
    48,666.26x = 67,165.88 × 28,531.05
  4. Step 4: Simplify right side
    48,666.26x = 1,916,312,937.92
  5. Step 5: Solve for x
    x = 1,916,312,937.92/48,666.26
  6. Step 6: Final answer
    x = 39,376.63

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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.