Home / 40,690.02-61,040.49-38,229.63

Finding the Fourth Proportional to 40,690.02, 61,040.49 and 38,229.63

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Solution

The fourth proportional to 40,690.02, 61,040.49 and 38,229.63 is: 57,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.02 : 61,040.49 = 38,229.63 : x
  2. Step 2: Convert to fraction form
    40,690.02/61,040.49 = 38,229.63/x
  3. Step 3: Cross multiply
    40,690.02x = 61,040.49 × 38,229.63
  4. Step 4: Simplify right side
    40,690.02x = 2,333,555,347.72
  5. Step 5: Solve for x
    x = 2,333,555,347.72/40,690.02
  6. Step 6: Final answer
    x = 57,349.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.