Home / 38,142.79-57,214.23-15,944.02

Finding the Fourth Proportional to 38,142.79, 57,214.23 and 15,944.02

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Solution

The fourth proportional to 38,142.79, 57,214.23 and 15,944.02 is: 23,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.79 : 57,214.23 = 15,944.02 : x
  2. Step 2: Convert to fraction form
    38,142.79/57,214.23 = 15,944.02/x
  3. Step 3: Cross multiply
    38,142.79x = 57,214.23 × 15,944.02
  4. Step 4: Simplify right side
    38,142.79x = 912,224,827.40
  5. Step 5: Solve for x
    x = 912,224,827.40/38,142.79
  6. Step 6: Final answer
    x = 23,916.05

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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.