Home / 32,931.70-45,441.92-18,590.78

Finding the Fourth Proportional to 32,931.70, 45,441.92 and 18,590.78

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Solution

The fourth proportional to 32,931.70, 45,441.92 and 18,590.78 is: 25,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.70 : 45,441.92 = 18,590.78 : x
  2. Step 2: Convert to fraction form
    32,931.70/45,441.92 = 18,590.78/x
  3. Step 3: Cross multiply
    32,931.70x = 45,441.92 × 18,590.78
  4. Step 4: Simplify right side
    32,931.70x = 844,800,897.58
  5. Step 5: Solve for x
    x = 844,800,897.58/32,931.70
  6. Step 6: Final answer
    x = 25,653.12

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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.