Home / 38,666.50-53,358.86-22,751.98

Finding the Fourth Proportional to 38,666.50, 53,358.86 and 22,751.98

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Solution

The fourth proportional to 38,666.50, 53,358.86 and 22,751.98 is: 31,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.50 : 53,358.86 = 22,751.98 : x
  2. Step 2: Convert to fraction form
    38,666.50/53,358.86 = 22,751.98/x
  3. Step 3: Cross multiply
    38,666.50x = 53,358.86 × 22,751.98
  4. Step 4: Simplify right side
    38,666.50x = 1,214,019,715.54
  5. Step 5: Solve for x
    x = 1,214,019,715.54/38,666.50
  6. Step 6: Final answer
    x = 31,397.20

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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.