Home / 40,220.70-60,345.45-16,854.30

Finding the Fourth Proportional to 40,220.70, 60,345.45 and 16,854.30

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Solution

The fourth proportional to 40,220.70, 60,345.45 and 16,854.30 is: 25,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.70 : 60,345.45 = 16,854.30 : x
  2. Step 2: Convert to fraction form
    40,220.70/60,345.45 = 16,854.30/x
  3. Step 3: Cross multiply
    40,220.70x = 60,345.45 × 16,854.30
  4. Step 4: Simplify right side
    40,220.70x = 1,017,080,317.94
  5. Step 5: Solve for x
    x = 1,017,080,317.94/40,220.70
  6. Step 6: Final answer
    x = 25,287.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.