Home / 65,527.74-90,428.58-38,305.38

Finding the Fourth Proportional to 65,527.74, 90,428.58 and 38,305.38

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Solution

The fourth proportional to 65,527.74, 90,428.58 and 38,305.38 is: 52,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,527.74 : 90,428.58 = 38,305.38 : x
  2. Step 2: Convert to fraction form
    65,527.74/90,428.58 = 38,305.38/x
  3. Step 3: Cross multiply
    65,527.74x = 90,428.58 × 38,305.38
  4. Step 4: Simplify right side
    65,527.74x = 3,463,901,119.76
  5. Step 5: Solve for x
    x = 3,463,901,119.76/65,527.74
  6. Step 6: Final answer
    x = 52,861.60

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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.