Home / 32,699.22-45,124.47-20,123.70

Finding the Fourth Proportional to 32,699.22, 45,124.47 and 20,123.70

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Solution

The fourth proportional to 32,699.22, 45,124.47 and 20,123.70 is: 27,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,699.22 : 45,124.47 = 20,123.70 : x
  2. Step 2: Convert to fraction form
    32,699.22/45,124.47 = 20,123.70/x
  3. Step 3: Cross multiply
    32,699.22x = 45,124.47 × 20,123.70
  4. Step 4: Simplify right side
    32,699.22x = 908,071,296.94
  5. Step 5: Solve for x
    x = 908,071,296.94/32,699.22
  6. Step 6: Final answer
    x = 27,770.43

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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.