Home / 57,159.30-78,918.33-35,681.75

Finding the Fourth Proportional to 57,159.30, 78,918.33 and 35,681.75

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Solution

The fourth proportional to 57,159.30, 78,918.33 and 35,681.75 is: 49,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,159.30 : 78,918.33 = 35,681.75 : x
  2. Step 2: Convert to fraction form
    57,159.30/78,918.33 = 35,681.75/x
  3. Step 3: Cross multiply
    57,159.30x = 78,918.33 × 35,681.75
  4. Step 4: Simplify right side
    57,159.30x = 2,815,944,156.64
  5. Step 5: Solve for x
    x = 2,815,944,156.64/57,159.30
  6. Step 6: Final answer
    x = 49,264.84

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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.