Home / 29,559.47-40,722.75-20,590.74

Finding the Fourth Proportional to 29,559.47, 40,722.75 and 20,590.74

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Solution

The fourth proportional to 29,559.47, 40,722.75 and 20,590.74 is: 28,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,559.47 : 40,722.75 = 20,590.74 : x
  2. Step 2: Convert to fraction form
    29,559.47/40,722.75 = 20,590.74/x
  3. Step 3: Cross multiply
    29,559.47x = 40,722.75 × 20,590.74
  4. Step 4: Simplify right side
    29,559.47x = 838,511,557.34
  5. Step 5: Solve for x
    x = 838,511,557.34/29,559.47
  6. Step 6: Final answer
    x = 28,366.94

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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.