Home / 38,920.34-53,706.42-23,001.68

Finding the Fourth Proportional to 38,920.34, 53,706.42 and 23,001.68

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Solution

The fourth proportional to 38,920.34, 53,706.42 and 23,001.68 is: 31,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.34 : 53,706.42 = 23,001.68 : x
  2. Step 2: Convert to fraction form
    38,920.34/53,706.42 = 23,001.68/x
  3. Step 3: Cross multiply
    38,920.34x = 53,706.42 × 23,001.68
  4. Step 4: Simplify right side
    38,920.34x = 1,235,337,618.25
  5. Step 5: Solve for x
    x = 1,235,337,618.25/38,920.34
  6. Step 6: Final answer
    x = 31,740.16

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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.