Home / 44,534.72-66,906.57-42,012.78

Finding the Fourth Proportional to 44,534.72, 66,906.57 and 42,012.78

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Solution

The fourth proportional to 44,534.72, 66,906.57 and 42,012.78 is: 63,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,534.72 : 66,906.57 = 42,012.78 : x
  2. Step 2: Convert to fraction form
    44,534.72/66,906.57 = 42,012.78/x
  3. Step 3: Cross multiply
    44,534.72x = 66,906.57 × 42,012.78
  4. Step 4: Simplify right side
    44,534.72x = 2,810,931,005.96
  5. Step 5: Solve for x
    x = 2,810,931,005.96/44,534.72
  6. Step 6: Final answer
    x = 63,117.75

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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.