Home / 65,228.04-90,016.92-36,548.91

Finding the Fourth Proportional to 65,228.04, 90,016.92 and 36,548.91

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Solution

The fourth proportional to 65,228.04, 90,016.92 and 36,548.91 is: 50,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228.04 : 90,016.92 = 36,548.91 : x
  2. Step 2: Convert to fraction form
    65,228.04/90,016.92 = 36,548.91/x
  3. Step 3: Cross multiply
    65,228.04x = 90,016.92 × 36,548.91
  4. Step 4: Simplify right side
    65,228.04x = 3,290,020,307.56
  5. Step 5: Solve for x
    x = 3,290,020,307.56/65,228.04
  6. Step 6: Final answer
    x = 50,438.74

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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.