Home / 67,288.60-92,837.25-40,437.10

Finding the Fourth Proportional to 67,288.60, 92,837.25 and 40,437.10

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Solution

The fourth proportional to 67,288.60, 92,837.25 and 40,437.10 is: 55,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288.60 : 92,837.25 = 40,437.10 : x
  2. Step 2: Convert to fraction form
    67,288.60/92,837.25 = 40,437.10/x
  3. Step 3: Cross multiply
    67,288.60x = 92,837.25 × 40,437.10
  4. Step 4: Simplify right side
    67,288.60x = 3,754,069,161.98
  5. Step 5: Solve for x
    x = 3,754,069,161.98/67,288.60
  6. Step 6: Final answer
    x = 55,790.57

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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.