Home / 43,750.40-65,575.84-38,475.12

Finding the Fourth Proportional to 43,750.40, 65,575.84 and 38,475.12

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Solution

The fourth proportional to 43,750.40, 65,575.84 and 38,475.12 is: 57,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,750.40 : 65,575.84 = 38,475.12 : x
  2. Step 2: Convert to fraction form
    43,750.40/65,575.84 = 38,475.12/x
  3. Step 3: Cross multiply
    43,750.40x = 65,575.84 × 38,475.12
  4. Step 4: Simplify right side
    43,750.40x = 2,523,038,313.10
  5. Step 5: Solve for x
    x = 2,523,038,313.10/43,750.40
  6. Step 6: Final answer
    x = 57,668.92

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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.