Home / 38,394.68-57,598.09-13,434.12

Finding the Fourth Proportional to 38,394.68, 57,598.09 and 13,434.12

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Solution

The fourth proportional to 38,394.68, 57,598.09 and 13,434.12 is: 20,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394.68 : 57,598.09 = 13,434.12 : x
  2. Step 2: Convert to fraction form
    38,394.68/57,598.09 = 13,434.12/x
  3. Step 3: Cross multiply
    38,394.68x = 57,598.09 × 13,434.12
  4. Step 4: Simplify right side
    38,394.68x = 773,779,619.25
  5. Step 5: Solve for x
    x = 773,779,619.25/38,394.68
  6. Step 6: Final answer
    x = 20,153.31

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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.