Home / 38,247.78-52,779.12-23,148.84

Finding the Fourth Proportional to 38,247.78, 52,779.12 and 23,148.84

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Solution

The fourth proportional to 38,247.78, 52,779.12 and 23,148.84 is: 31,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.78 : 52,779.12 = 23,148.84 : x
  2. Step 2: Convert to fraction form
    38,247.78/52,779.12 = 23,148.84/x
  3. Step 3: Cross multiply
    38,247.78x = 52,779.12 × 23,148.84
  4. Step 4: Simplify right side
    38,247.78x = 1,221,775,404.22
  5. Step 5: Solve for x
    x = 1,221,775,404.22/38,247.78
  6. Step 6: Final answer
    x = 31,943.69

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1.5x scale

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.