Home / 38,562.66-53,219.16-21,572.51

Finding the Fourth Proportional to 38,562.66, 53,219.16 and 21,572.51

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Solution

The fourth proportional to 38,562.66, 53,219.16 and 21,572.51 is: 29,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562.66 : 53,219.16 = 21,572.51 : x
  2. Step 2: Convert to fraction form
    38,562.66/53,219.16 = 21,572.51/x
  3. Step 3: Cross multiply
    38,562.66x = 53,219.16 × 21,572.51
  4. Step 4: Simplify right side
    38,562.66x = 1,148,070,595.20
  5. Step 5: Solve for x
    x = 1,148,070,595.20/38,562.66
  6. Step 6: Final answer
    x = 29,771.56

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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.