Home / 67,990.32-93,827.70-37,778.47

Finding the Fourth Proportional to 67,990.32, 93,827.70 and 37,778.47

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Solution

The fourth proportional to 67,990.32, 93,827.70 and 37,778.47 is: 52,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,990.32 : 93,827.70 = 37,778.47 : x
  2. Step 2: Convert to fraction form
    67,990.32/93,827.70 = 37,778.47/x
  3. Step 3: Cross multiply
    67,990.32x = 93,827.70 × 37,778.47
  4. Step 4: Simplify right side
    67,990.32x = 3,544,666,715.05
  5. Step 5: Solve for x
    x = 3,544,666,715.05/67,990.32
  6. Step 6: Final answer
    x = 52,134.87

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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.