Home / 38,378.06-57,460.80-19,617.72

Finding the Fourth Proportional to 38,378.06, 57,460.80 and 19,617.72

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Solution

The fourth proportional to 38,378.06, 57,460.80 and 19,617.72 is: 29,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.06 : 57,460.80 = 19,617.72 : x
  2. Step 2: Convert to fraction form
    38,378.06/57,460.80 = 19,617.72/x
  3. Step 3: Cross multiply
    38,378.06x = 57,460.80 × 19,617.72
  4. Step 4: Simplify right side
    38,378.06x = 1,127,249,885.38
  5. Step 5: Solve for x
    x = 1,127,249,885.38/38,378.06
  6. Step 6: Final answer
    x = 29,372.25

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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.