Home / 53,035.38-79,575.10-21,467.76

Finding the Fourth Proportional to 53,035.38, 79,575.10 and 21,467.76

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Solution

The fourth proportional to 53,035.38, 79,575.10 and 21,467.76 is: 32,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,035.38 : 79,575.10 = 21,467.76 : x
  2. Step 2: Convert to fraction form
    53,035.38/79,575.10 = 21,467.76/x
  3. Step 3: Cross multiply
    53,035.38x = 79,575.10 × 21,467.76
  4. Step 4: Simplify right side
    53,035.38x = 1,708,298,750.90
  5. Step 5: Solve for x
    x = 1,708,298,750.90/53,035.38
  6. Step 6: Final answer
    x = 32,210.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.