Home / 62,761.12-94,153.16-20,643.55

Finding the Fourth Proportional to 62,761.12, 94,153.16 and 20,643.55

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Solution

The fourth proportional to 62,761.12, 94,153.16 and 20,643.55 is: 30,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,761.12 : 94,153.16 = 20,643.55 : x
  2. Step 2: Convert to fraction form
    62,761.12/94,153.16 = 20,643.55/x
  3. Step 3: Cross multiply
    62,761.12x = 94,153.16 × 20,643.55
  4. Step 4: Simplify right side
    62,761.12x = 1,943,655,466.12
  5. Step 5: Solve for x
    x = 1,943,655,466.12/62,761.12
  6. Step 6: Final answer
    x = 30,969.10

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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.