Home / 45,385.67-62,615.05-28,150.07

Finding the Fourth Proportional to 45,385.67, 62,615.05 and 28,150.07

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Solution

The fourth proportional to 45,385.67, 62,615.05 and 28,150.07 is: 38,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.67 : 62,615.05 = 28,150.07 : x
  2. Step 2: Convert to fraction form
    45,385.67/62,615.05 = 28,150.07/x
  3. Step 3: Cross multiply
    45,385.67x = 62,615.05 × 28,150.07
  4. Step 4: Simplify right side
    45,385.67x = 1,762,617,657.10
  5. Step 5: Solve for x
    x = 1,762,617,657.10/45,385.67
  6. Step 6: Final answer
    x = 38,836.43

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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.