Home / 60,667.10-91,000.65-31,142.60

Finding the Fourth Proportional to 60,667.10, 91,000.65 and 31,142.60

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Solution

The fourth proportional to 60,667.10, 91,000.65 and 31,142.60 is: 46,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,667.10 : 91,000.65 = 31,142.60 : x
  2. Step 2: Convert to fraction form
    60,667.10/91,000.65 = 31,142.60/x
  3. Step 3: Cross multiply
    60,667.10x = 91,000.65 × 31,142.60
  4. Step 4: Simplify right side
    60,667.10x = 2,833,996,842.69
  5. Step 5: Solve for x
    x = 2,833,996,842.69/60,667.10
  6. Step 6: Final answer
    x = 46,713.90

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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.