Home / 38,920.44-53,805.65-38,565.03

Finding the Fourth Proportional to 38,920.44, 53,805.65 and 38,565.03

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Solution

The fourth proportional to 38,920.44, 53,805.65 and 38,565.03 is: 53,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.44 : 53,805.65 = 38,565.03 : x
  2. Step 2: Convert to fraction form
    38,920.44/53,805.65 = 38,565.03/x
  3. Step 3: Cross multiply
    38,920.44x = 53,805.65 × 38,565.03
  4. Step 4: Simplify right side
    38,920.44x = 2,075,016,313.59
  5. Step 5: Solve for x
    x = 2,075,016,313.59/38,920.44
  6. Step 6: Final answer
    x = 53,314.31

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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.