Home / 38,765.20-53,501.80-23,666.63

Finding the Fourth Proportional to 38,765.20, 53,501.80 and 23,666.63

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Solution

The fourth proportional to 38,765.20, 53,501.80 and 23,666.63 is: 32,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765.20 : 53,501.80 = 23,666.63 : x
  2. Step 2: Convert to fraction form
    38,765.20/53,501.80 = 23,666.63/x
  3. Step 3: Cross multiply
    38,765.20x = 53,501.80 × 23,666.63
  4. Step 4: Simplify right side
    38,765.20x = 1,266,207,304.93
  5. Step 5: Solve for x
    x = 1,266,207,304.93/38,765.20
  6. Step 6: Final answer
    x = 32,663.51

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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.