Home / 38,723.04-53,435.58-21,494.52

Finding the Fourth Proportional to 38,723.04, 53,435.58 and 21,494.52

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Solution

The fourth proportional to 38,723.04, 53,435.58 and 21,494.52 is: 29,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.04 : 53,435.58 = 21,494.52 : x
  2. Step 2: Convert to fraction form
    38,723.04/53,435.58 = 21,494.52/x
  3. Step 3: Cross multiply
    38,723.04x = 53,435.58 × 21,494.52
  4. Step 4: Simplify right side
    38,723.04x = 1,148,572,143.02
  5. Step 5: Solve for x
    x = 1,148,572,143.02/38,723.04
  6. Step 6: Final answer
    x = 29,661.21

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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.