Home / 65,315.17-90,129.16-36,244.27

Finding the Fourth Proportional to 65,315.17, 90,129.16 and 36,244.27

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Solution

The fourth proportional to 65,315.17, 90,129.16 and 36,244.27 is: 50,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,315.17 : 90,129.16 = 36,244.27 : x
  2. Step 2: Convert to fraction form
    65,315.17/90,129.16 = 36,244.27/x
  3. Step 3: Cross multiply
    65,315.17x = 90,129.16 × 36,244.27
  4. Step 4: Simplify right side
    65,315.17x = 3,266,665,609.91
  5. Step 5: Solve for x
    x = 3,266,665,609.91/65,315.17
  6. Step 6: Final answer
    x = 50,013.89

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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.