Home / 51,074.87-76,612.05-13,124.11

Finding the Fourth Proportional to 51,074.87, 76,612.05 and 13,124.11

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Solution

The fourth proportional to 51,074.87, 76,612.05 and 13,124.11 is: 19,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,074.87 : 76,612.05 = 13,124.11 : x
  2. Step 2: Convert to fraction form
    51,074.87/76,612.05 = 13,124.11/x
  3. Step 3: Cross multiply
    51,074.87x = 76,612.05 × 13,124.11
  4. Step 4: Simplify right side
    51,074.87x = 1,005,464,971.53
  5. Step 5: Solve for x
    x = 1,005,464,971.53/51,074.87
  6. Step 6: Final answer
    x = 19,686.10

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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.