Home / 53,640.68-74,013.36-32,421.14

Finding the Fourth Proportional to 53,640.68, 74,013.36 and 32,421.14

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Solution

The fourth proportional to 53,640.68, 74,013.36 and 32,421.14 is: 44,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.68 : 74,013.36 = 32,421.14 : x
  2. Step 2: Convert to fraction form
    53,640.68/74,013.36 = 32,421.14/x
  3. Step 3: Cross multiply
    53,640.68x = 74,013.36 × 32,421.14
  4. Step 4: Simplify right side
    53,640.68x = 2,399,597,506.43
  5. Step 5: Solve for x
    x = 2,399,597,506.43/53,640.68
  6. Step 6: Final answer
    x = 44,734.66

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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.