Home / 66,627.34-91,946.86-39,764.62

Finding the Fourth Proportional to 66,627.34, 91,946.86 and 39,764.62

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Solution

The fourth proportional to 66,627.34, 91,946.86 and 39,764.62 is: 54,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,627.34 : 91,946.86 = 39,764.62 : x
  2. Step 2: Convert to fraction form
    66,627.34/91,946.86 = 39,764.62/x
  3. Step 3: Cross multiply
    66,627.34x = 91,946.86 × 39,764.62
  4. Step 4: Simplify right side
    66,627.34x = 3,656,231,948.09
  5. Step 5: Solve for x
    x = 3,656,231,948.09/66,627.34
  6. Step 6: Final answer
    x = 54,875.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.