Home / 67,140.56-92,656.31-36,928.17

Finding the Fourth Proportional to 67,140.56, 92,656.31 and 36,928.17

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Solution

The fourth proportional to 67,140.56, 92,656.31 and 36,928.17 is: 50,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140.56 : 92,656.31 = 36,928.17 : x
  2. Step 2: Convert to fraction form
    67,140.56/92,656.31 = 36,928.17/x
  3. Step 3: Cross multiply
    67,140.56x = 92,656.31 × 36,928.17
  4. Step 4: Simplify right side
    67,140.56x = 3,421,627,782.61
  5. Step 5: Solve for x
    x = 3,421,627,782.61/67,140.56
  6. Step 6: Final answer
    x = 50,962.16

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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.