Home / 66,146.40-91,280.16-37,851.12

Finding the Fourth Proportional to 66,146.40, 91,280.16 and 37,851.12

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Solution

The fourth proportional to 66,146.40, 91,280.16 and 37,851.12 is: 52,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.40 : 91,280.16 = 37,851.12 : x
  2. Step 2: Convert to fraction form
    66,146.40/91,280.16 = 37,851.12/x
  3. Step 3: Cross multiply
    66,146.40x = 91,280.16 × 37,851.12
  4. Step 4: Simplify right side
    66,146.40x = 3,455,056,289.78
  5. Step 5: Solve for x
    x = 3,455,056,289.78/66,146.40
  6. Step 6: Final answer
    x = 52,233.47

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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.