Home / 66,688.18-100,059.87-29,228.90

Finding the Fourth Proportional to 66,688.18, 100,059.87 and 29,228.90

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Solution

The fourth proportional to 66,688.18, 100,059.87 and 29,228.90 is: 43,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,688.18 : 100,059.87 = 29,228.90 : x
  2. Step 2: Convert to fraction form
    66,688.18/100,059.87 = 29,228.90/x
  3. Step 3: Cross multiply
    66,688.18x = 100,059.87 × 29,228.90
  4. Step 4: Simplify right side
    66,688.18x = 2,924,639,934.24
  5. Step 5: Solve for x
    x = 2,924,639,934.24/66,688.18
  6. Step 6: Final answer
    x = 43,855.45

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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.