Home / 31,585.16-43,535.58-22,389.80

Finding the Fourth Proportional to 31,585.16, 43,535.58 and 22,389.80

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Solution

The fourth proportional to 31,585.16, 43,535.58 and 22,389.80 is: 30,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.16 : 43,535.58 = 22,389.80 : x
  2. Step 2: Convert to fraction form
    31,585.16/43,535.58 = 22,389.80/x
  3. Step 3: Cross multiply
    31,585.16x = 43,535.58 × 22,389.80
  4. Step 4: Simplify right side
    31,585.16x = 974,752,711.41
  5. Step 5: Solve for x
    x = 974,752,711.41/31,585.16
  6. Step 6: Final answer
    x = 30,861.10

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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.