Home / 45,889.12-68,862.88-19,594.08

Finding the Fourth Proportional to 45,889.12, 68,862.88 and 19,594.08

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Solution

The fourth proportional to 45,889.12, 68,862.88 and 19,594.08 is: 29,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,889.12 : 68,862.88 = 19,594.08 : x
  2. Step 2: Convert to fraction form
    45,889.12/68,862.88 = 19,594.08/x
  3. Step 3: Cross multiply
    45,889.12x = 68,862.88 × 19,594.08
  4. Step 4: Simplify right side
    45,889.12x = 1,349,304,779.75
  5. Step 5: Solve for x
    x = 1,349,304,779.75/45,889.12
  6. Step 6: Final answer
    x = 29,403.59

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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.