Home / 65,414.04-90,248.68-36,729.72

Finding the Fourth Proportional to 65,414.04, 90,248.68 and 36,729.72

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Solution

The fourth proportional to 65,414.04, 90,248.68 and 36,729.72 is: 50,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.04 : 90,248.68 = 36,729.72 : x
  2. Step 2: Convert to fraction form
    65,414.04/90,248.68 = 36,729.72/x
  3. Step 3: Cross multiply
    65,414.04x = 90,248.68 × 36,729.72
  4. Step 4: Simplify right side
    65,414.04x = 3,314,808,746.77
  5. Step 5: Solve for x
    x = 3,314,808,746.77/65,414.04
  6. Step 6: Final answer
    x = 50,674.27

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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.