Home / 65,228.30-90,017.28-36,549.16

Finding the Fourth Proportional to 65,228.30, 90,017.28 and 36,549.16

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Solution

The fourth proportional to 65,228.30, 90,017.28 and 36,549.16 is: 50,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228.30 : 90,017.28 = 36,549.16 : x
  2. Step 2: Convert to fraction form
    65,228.30/90,017.28 = 36,549.16/x
  3. Step 3: Cross multiply
    65,228.30x = 90,017.28 × 36,549.16
  4. Step 4: Simplify right side
    65,228.30x = 3,290,055,969.48
  5. Step 5: Solve for x
    x = 3,290,055,969.48/65,228.30
  6. Step 6: Final answer
    x = 50,439.09

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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.