Home / 51,480.32-77,218.15-14,040.40

Finding the Fourth Proportional to 51,480.32, 77,218.15 and 14,040.40

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Solution

The fourth proportional to 51,480.32, 77,218.15 and 14,040.40 is: 21,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480.32 : 77,218.15 = 14,040.40 : x
  2. Step 2: Convert to fraction form
    51,480.32/77,218.15 = 14,040.40/x
  3. Step 3: Cross multiply
    51,480.32x = 77,218.15 × 14,040.40
  4. Step 4: Simplify right side
    51,480.32x = 1,084,173,713.26
  5. Step 5: Solve for x
    x = 1,084,173,713.26/51,480.32
  6. Step 6: Final answer
    x = 21,059.96

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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.