Home / 65,228.28-90,031.16-36,950.64

Finding the Fourth Proportional to 65,228.28, 90,031.16 and 36,950.64

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Solution

The fourth proportional to 65,228.28, 90,031.16 and 36,950.64 is: 51,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,228.28 : 90,031.16 = 36,950.64 : x
  2. Step 2: Convert to fraction form
    65,228.28/90,031.16 = 36,950.64/x
  3. Step 3: Cross multiply
    65,228.28x = 90,031.16 × 36,950.64
  4. Step 4: Simplify right side
    65,228.28x = 3,326,708,981.94
  5. Step 5: Solve for x
    x = 3,326,708,981.94/65,228.28
  6. Step 6: Final answer
    x = 51,001.02

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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.