Home / 65,226.71-90,011.25-36,547.55

Finding the Fourth Proportional to 65,226.71, 90,011.25 and 36,547.55

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Solution

The fourth proportional to 65,226.71, 90,011.25 and 36,547.55 is: 50,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,226.71 : 90,011.25 = 36,547.55 : x
  2. Step 2: Convert to fraction form
    65,226.71/90,011.25 = 36,547.55/x
  3. Step 3: Cross multiply
    65,226.71x = 90,011.25 × 36,547.55
  4. Step 4: Simplify right side
    65,226.71x = 3,289,690,547.42
  5. Step 5: Solve for x
    x = 3,289,690,547.42/65,226.71
  6. Step 6: Final answer
    x = 50,434.71

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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.