Home / 57,299.28-85,948.71-17,856.42

Finding the Fourth Proportional to 57,299.28, 85,948.71 and 17,856.42

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Solution

The fourth proportional to 57,299.28, 85,948.71 and 17,856.42 is: 26,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.28 : 85,948.71 = 17,856.42 : x
  2. Step 2: Convert to fraction form
    57,299.28/85,948.71 = 17,856.42/x
  3. Step 3: Cross multiply
    57,299.28x = 85,948.71 × 17,856.42
  4. Step 4: Simplify right side
    57,299.28x = 1,534,736,264.22
  5. Step 5: Solve for x
    x = 1,534,736,264.22/57,299.28
  6. Step 6: Final answer
    x = 26,784.56

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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.