Home / 40,924.80-61,387.20-14,630.40

Finding the Fourth Proportional to 40,924.80, 61,387.20 and 14,630.40

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Solution

The fourth proportional to 40,924.80, 61,387.20 and 14,630.40 is: 21,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,924.80 : 61,387.20 = 14,630.40 : x
  2. Step 2: Convert to fraction form
    40,924.80/61,387.20 = 14,630.40/x
  3. Step 3: Cross multiply
    40,924.80x = 61,387.20 × 14,630.40
  4. Step 4: Simplify right side
    40,924.80x = 898,119,290.88
  5. Step 5: Solve for x
    x = 898,119,290.88/40,924.80
  6. Step 6: Final answer
    x = 21,945.60

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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.