Home / 43,445.84-65,172.56-12,281.10

Finding the Fourth Proportional to 43,445.84, 65,172.56 and 12,281.10

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Solution

The fourth proportional to 43,445.84, 65,172.56 and 12,281.10 is: 18,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,445.84 : 65,172.56 = 12,281.10 : x
  2. Step 2: Convert to fraction form
    43,445.84/65,172.56 = 12,281.10/x
  3. Step 3: Cross multiply
    43,445.84x = 65,172.56 × 12,281.10
  4. Step 4: Simplify right side
    43,445.84x = 800,390,726.62
  5. Step 5: Solve for x
    x = 800,390,726.62/43,445.84
  6. Step 6: Final answer
    x = 18,422.72

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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.