Home / 53,122.55-79,674.59-19,842.90

Finding the Fourth Proportional to 53,122.55, 79,674.59 and 19,842.90

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Solution

The fourth proportional to 53,122.55, 79,674.59 and 19,842.90 is: 29,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,122.55 : 79,674.59 = 19,842.90 : x
  2. Step 2: Convert to fraction form
    53,122.55/79,674.59 = 19,842.90/x
  3. Step 3: Cross multiply
    53,122.55x = 79,674.59 × 19,842.90
  4. Step 4: Simplify right side
    53,122.55x = 1,580,974,921.91
  5. Step 5: Solve for x
    x = 1,580,974,921.91/53,122.55
  6. Step 6: Final answer
    x = 29,760.90

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1.5x scale

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.