Home / 40,461.20-60,677.40-18,285.20

Finding the Fourth Proportional to 40,461.20, 60,677.40 and 18,285.20

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Solution

The fourth proportional to 40,461.20, 60,677.40 and 18,285.20 is: 27,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461.20 : 60,677.40 = 18,285.20 : x
  2. Step 2: Convert to fraction form
    40,461.20/60,677.40 = 18,285.20/x
  3. Step 3: Cross multiply
    40,461.20x = 60,677.40 × 18,285.20
  4. Step 4: Simplify right side
    40,461.20x = 1,109,498,394.48
  5. Step 5: Solve for x
    x = 1,109,498,394.48/40,461.20
  6. Step 6: Final answer
    x = 27,421.29

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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.