Home / 35,387.53-53,081.70-12,015.79

Finding the Fourth Proportional to 35,387.53, 53,081.70 and 12,015.79

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Solution

The fourth proportional to 35,387.53, 53,081.70 and 12,015.79 is: 18,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.53 : 53,081.70 = 12,015.79 : x
  2. Step 2: Convert to fraction form
    35,387.53/53,081.70 = 12,015.79/x
  3. Step 3: Cross multiply
    35,387.53x = 53,081.70 × 12,015.79
  4. Step 4: Simplify right side
    35,387.53x = 637,818,560.04
  5. Step 5: Solve for x
    x = 637,818,560.04/35,387.53
  6. Step 6: Final answer
    x = 18,023.82

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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.