Home / 45,999.09-63,489.92-28,109.16

Finding the Fourth Proportional to 45,999.09, 63,489.92 and 28,109.16

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Solution

The fourth proportional to 45,999.09, 63,489.92 and 28,109.16 is: 38,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.09 : 63,489.92 = 28,109.16 : x
  2. Step 2: Convert to fraction form
    45,999.09/63,489.92 = 28,109.16/x
  3. Step 3: Cross multiply
    45,999.09x = 63,489.92 × 28,109.16
  4. Step 4: Simplify right side
    45,999.09x = 1,784,648,319.67
  5. Step 5: Solve for x
    x = 1,784,648,319.67/45,999.09
  6. Step 6: Final answer
    x = 38,797.47

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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.