Home / 65,247.28-90,038.49-38,025.94

Finding the Fourth Proportional to 65,247.28, 90,038.49 and 38,025.94

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Solution

The fourth proportional to 65,247.28, 90,038.49 and 38,025.94 is: 52,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,247.28 : 90,038.49 = 38,025.94 : x
  2. Step 2: Convert to fraction form
    65,247.28/90,038.49 = 38,025.94/x
  3. Step 3: Cross multiply
    65,247.28x = 90,038.49 × 38,025.94
  4. Step 4: Simplify right side
    65,247.28x = 3,423,798,218.43
  5. Step 5: Solve for x
    x = 3,423,798,218.43/65,247.28
  6. Step 6: Final answer
    x = 52,474.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.