Home / 66,718.45-92,049.11-38,423.53

Finding the Fourth Proportional to 66,718.45, 92,049.11 and 38,423.53

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Solution

The fourth proportional to 66,718.45, 92,049.11 and 38,423.53 is: 53,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,718.45 : 92,049.11 = 38,423.53 : x
  2. Step 2: Convert to fraction form
    66,718.45/92,049.11 = 38,423.53/x
  3. Step 3: Cross multiply
    66,718.45x = 92,049.11 × 38,423.53
  4. Step 4: Simplify right side
    66,718.45x = 3,536,851,547.44
  5. Step 5: Solve for x
    x = 3,536,851,547.44/66,718.45
  6. Step 6: Final answer
    x = 53,011.60

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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.