Home / 38,723.18-53,431.65-22,805.46

Finding the Fourth Proportional to 38,723.18, 53,431.65 and 22,805.46

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Solution

The fourth proportional to 38,723.18, 53,431.65 and 22,805.46 is: 31,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.18 : 53,431.65 = 22,805.46 : x
  2. Step 2: Convert to fraction form
    38,723.18/53,431.65 = 22,805.46/x
  3. Step 3: Cross multiply
    38,723.18x = 53,431.65 × 22,805.46
  4. Step 4: Simplify right side
    38,723.18x = 1,218,533,356.81
  5. Step 5: Solve for x
    x = 1,218,533,356.81/38,723.18
  6. Step 6: Final answer
    x = 31,467.81

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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.