Home / 33,045.41-45,605.40-18,900.98

Finding the Fourth Proportional to 33,045.41, 45,605.40 and 18,900.98

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Solution

The fourth proportional to 33,045.41, 45,605.40 and 18,900.98 is: 26,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,045.41 : 45,605.40 = 18,900.98 : x
  2. Step 2: Convert to fraction form
    33,045.41/45,605.40 = 18,900.98/x
  3. Step 3: Cross multiply
    33,045.41x = 45,605.40 × 18,900.98
  4. Step 4: Simplify right side
    33,045.41x = 861,986,753.29
  5. Step 5: Solve for x
    x = 861,986,753.29/33,045.41
  6. Step 6: Final answer
    x = 26,084.92

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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.