Home / 45,040.95-67,562.78-15,458.36

Finding the Fourth Proportional to 45,040.95, 67,562.78 and 15,458.36

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Solution

The fourth proportional to 45,040.95, 67,562.78 and 15,458.36 is: 23,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.95 : 67,562.78 = 15,458.36 : x
  2. Step 2: Convert to fraction form
    45,040.95/67,562.78 = 15,458.36/x
  3. Step 3: Cross multiply
    45,040.95x = 67,562.78 × 15,458.36
  4. Step 4: Simplify right side
    45,040.95x = 1,044,409,360.74
  5. Step 5: Solve for x
    x = 1,044,409,360.74/45,040.95
  6. Step 6: Final answer
    x = 23,188.00

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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.