Home / 51,380.04-70,904.25-28,719.01

Finding the Fourth Proportional to 51,380.04, 70,904.25 and 28,719.01

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Solution

The fourth proportional to 51,380.04, 70,904.25 and 28,719.01 is: 39,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380.04 : 70,904.25 = 28,719.01 : x
  2. Step 2: Convert to fraction form
    51,380.04/70,904.25 = 28,719.01/x
  3. Step 3: Cross multiply
    51,380.04x = 70,904.25 × 28,719.01
  4. Step 4: Simplify right side
    51,380.04x = 2,036,299,687.53
  5. Step 5: Solve for x
    x = 2,036,299,687.53/51,380.04
  6. Step 6: Final answer
    x = 39,632.12

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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.