Home / 39,562.40-54,595.68-21,657.44

Finding the Fourth Proportional to 39,562.40, 54,595.68 and 21,657.44

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Solution

The fourth proportional to 39,562.40, 54,595.68 and 21,657.44 is: 29,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.40 : 54,595.68 = 21,657.44 : x
  2. Step 2: Convert to fraction form
    39,562.40/54,595.68 = 21,657.44/x
  3. Step 3: Cross multiply
    39,562.40x = 54,595.68 × 21,657.44
  4. Step 4: Simplify right side
    39,562.40x = 1,182,402,390.88
  5. Step 5: Solve for x
    x = 1,182,402,390.88/39,562.40
  6. Step 6: Final answer
    x = 29,887.03

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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.