Home / 67,660.86-93,349.22-39,343.26

Finding the Fourth Proportional to 67,660.86, 93,349.22 and 39,343.26

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Solution

The fourth proportional to 67,660.86, 93,349.22 and 39,343.26 is: 54,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,660.86 : 93,349.22 = 39,343.26 : x
  2. Step 2: Convert to fraction form
    67,660.86/93,349.22 = 39,343.26/x
  3. Step 3: Cross multiply
    67,660.86x = 93,349.22 × 39,343.26
  4. Step 4: Simplify right side
    67,660.86x = 3,672,662,633.26
  5. Step 5: Solve for x
    x = 3,672,662,633.26/67,660.86
  6. Step 6: Final answer
    x = 54,280.46

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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.