Home / 36,854.40-50,856.54-20,722.08

Finding the Fourth Proportional to 36,854.40, 50,856.54 and 20,722.08

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Solution

The fourth proportional to 36,854.40, 50,856.54 and 20,722.08 is: 28,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,854.40 : 50,856.54 = 20,722.08 : x
  2. Step 2: Convert to fraction form
    36,854.40/50,856.54 = 20,722.08/x
  3. Step 3: Cross multiply
    36,854.40x = 50,856.54 × 20,722.08
  4. Step 4: Simplify right side
    36,854.40x = 1,053,853,290.40
  5. Step 5: Solve for x
    x = 1,053,853,290.40/36,854.40
  6. Step 6: Final answer
    x = 28,595.05

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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.