Home / 43,752.20-65,585.10-17,421.80

Finding the Fourth Proportional to 43,752.20, 65,585.10 and 17,421.80

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Solution

The fourth proportional to 43,752.20, 65,585.10 and 17,421.80 is: 26,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752.20 : 65,585.10 = 17,421.80 : x
  2. Step 2: Convert to fraction form
    43,752.20/65,585.10 = 17,421.80/x
  3. Step 3: Cross multiply
    43,752.20x = 65,585.10 × 17,421.80
  4. Step 4: Simplify right side
    43,752.20x = 1,142,610,495.18
  5. Step 5: Solve for x
    x = 1,142,610,495.18/43,752.20
  6. Step 6: Final answer
    x = 26,115.50

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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.