Home / 47,829.88-65,987.40-29,918.08

Finding the Fourth Proportional to 47,829.88, 65,987.40 and 29,918.08

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Solution

The fourth proportional to 47,829.88, 65,987.40 and 29,918.08 is: 41,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,829.88 : 65,987.40 = 29,918.08 : x
  2. Step 2: Convert to fraction form
    47,829.88/65,987.40 = 29,918.08/x
  3. Step 3: Cross multiply
    47,829.88x = 65,987.40 × 29,918.08
  4. Step 4: Simplify right side
    47,829.88x = 1,974,216,312.19
  5. Step 5: Solve for x
    x = 1,974,216,312.19/47,829.88
  6. Step 6: Final answer
    x = 41,275.79

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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.