Home / 67,312.17-92,890.80-39,034.26

Finding the Fourth Proportional to 67,312.17, 92,890.80 and 39,034.26

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Solution

The fourth proportional to 67,312.17, 92,890.80 and 39,034.26 is: 53,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.17 : 92,890.80 = 39,034.26 : x
  2. Step 2: Convert to fraction form
    67,312.17/92,890.80 = 39,034.26/x
  3. Step 3: Cross multiply
    67,312.17x = 92,890.80 × 39,034.26
  4. Step 4: Simplify right side
    67,312.17x = 3,625,923,638.81
  5. Step 5: Solve for x
    x = 3,625,923,638.81/67,312.17
  6. Step 6: Final answer
    x = 53,867.28

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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.