Home / 66,908.12-92,335.56-36,693.50

Finding the Fourth Proportional to 66,908.12, 92,335.56 and 36,693.50

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Solution

The fourth proportional to 66,908.12, 92,335.56 and 36,693.50 is: 50,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.12 : 92,335.56 = 36,693.50 : x
  2. Step 2: Convert to fraction form
    66,908.12/92,335.56 = 36,693.50/x
  3. Step 3: Cross multiply
    66,908.12x = 92,335.56 × 36,693.50
  4. Step 4: Simplify right side
    66,908.12x = 3,388,114,870.86
  5. Step 5: Solve for x
    x = 3,388,114,870.86/66,908.12
  6. Step 6: Final answer
    x = 50,638.32

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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.