Home / 57,434.12-86,152.80-15,881.12

Finding the Fourth Proportional to 57,434.12, 86,152.80 and 15,881.12

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Solution

The fourth proportional to 57,434.12, 86,152.80 and 15,881.12 is: 23,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.12 : 86,152.80 = 15,881.12 : x
  2. Step 2: Convert to fraction form
    57,434.12/86,152.80 = 15,881.12/x
  3. Step 3: Cross multiply
    57,434.12x = 86,152.80 × 15,881.12
  4. Step 4: Simplify right side
    57,434.12x = 1,368,202,955.14
  5. Step 5: Solve for x
    x = 1,368,202,955.14/57,434.12
  6. Step 6: Final answer
    x = 23,822.13

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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.