Home / 67,640.68-93,322.98-40,791.40

Finding the Fourth Proportional to 67,640.68, 93,322.98 and 40,791.40

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Solution

The fourth proportional to 67,640.68, 93,322.98 and 40,791.40 is: 56,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,640.68 : 93,322.98 = 40,791.40 : x
  2. Step 2: Convert to fraction form
    67,640.68/93,322.98 = 40,791.40/x
  3. Step 3: Cross multiply
    67,640.68x = 93,322.98 × 40,791.40
  4. Step 4: Simplify right side
    67,640.68x = 3,806,775,006.37
  5. Step 5: Solve for x
    x = 3,806,775,006.37/67,640.68
  6. Step 6: Final answer
    x = 56,279.37

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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.