Home / 38,253.90-52,790.68-21,259.74

Finding the Fourth Proportional to 38,253.90, 52,790.68 and 21,259.74

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Solution

The fourth proportional to 38,253.90, 52,790.68 and 21,259.74 is: 29,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.90 : 52,790.68 = 21,259.74 : x
  2. Step 2: Convert to fraction form
    38,253.90/52,790.68 = 21,259.74/x
  3. Step 3: Cross multiply
    38,253.90x = 52,790.68 × 21,259.74
  4. Step 4: Simplify right side
    38,253.90x = 1,122,316,147.50
  5. Step 5: Solve for x
    x = 1,122,316,147.50/38,253.90
  6. Step 6: Final answer
    x = 29,338.60

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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.