Home / 48,738.80-67,290.82-39,807.74

Finding the Fourth Proportional to 48,738.80, 67,290.82 and 39,807.74

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Solution

The fourth proportional to 48,738.80, 67,290.82 and 39,807.74 is: 54,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.80 : 67,290.82 = 39,807.74 : x
  2. Step 2: Convert to fraction form
    48,738.80/67,290.82 = 39,807.74/x
  3. Step 3: Cross multiply
    48,738.80x = 67,290.82 × 39,807.74
  4. Step 4: Simplify right side
    48,738.80x = 2,678,695,466.95
  5. Step 5: Solve for x
    x = 2,678,695,466.95/48,738.80
  6. Step 6: Final answer
    x = 54,960.23

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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.