Home / 31,482.57-43,420.14-22,975.14

Finding the Fourth Proportional to 31,482.57, 43,420.14 and 22,975.14

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Solution

The fourth proportional to 31,482.57, 43,420.14 and 22,975.14 is: 31,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.57 : 43,420.14 = 22,975.14 : x
  2. Step 2: Convert to fraction form
    31,482.57/43,420.14 = 22,975.14/x
  3. Step 3: Cross multiply
    31,482.57x = 43,420.14 × 22,975.14
  4. Step 4: Simplify right side
    31,482.57x = 997,583,795.32
  5. Step 5: Solve for x
    x = 997,583,795.32/31,482.57
  6. Step 6: Final answer
    x = 31,686.86

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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.