Home / 51,018.12-76,541.15-15,480.59

Finding the Fourth Proportional to 51,018.12, 76,541.15 and 15,480.59

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Solution

The fourth proportional to 51,018.12, 76,541.15 and 15,480.59 is: 23,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.12 : 76,541.15 = 15,480.59 : x
  2. Step 2: Convert to fraction form
    51,018.12/76,541.15 = 15,480.59/x
  3. Step 3: Cross multiply
    51,018.12x = 76,541.15 × 15,480.59
  4. Step 4: Simplify right side
    51,018.12x = 1,184,901,701.17
  5. Step 5: Solve for x
    x = 1,184,901,701.17/51,018.12
  6. Step 6: Final answer
    x = 23,225.11

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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.