Home / 38,920.69-53,805.99-38,565.28

Finding the Fourth Proportional to 38,920.69, 53,805.99 and 38,565.28

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Solution

The fourth proportional to 38,920.69, 53,805.99 and 38,565.28 is: 53,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.69 : 53,805.99 = 38,565.28 : x
  2. Step 2: Convert to fraction form
    38,920.69/53,805.99 = 38,565.28/x
  3. Step 3: Cross multiply
    38,920.69x = 53,805.99 × 38,565.28
  4. Step 4: Simplify right side
    38,920.69x = 2,075,043,070.03
  5. Step 5: Solve for x
    x = 2,075,043,070.03/38,920.69
  6. Step 6: Final answer
    x = 53,314.65

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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.