Home / 39,888.77-55,036.84-22,657.30

Finding the Fourth Proportional to 39,888.77, 55,036.84 and 22,657.30

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Solution

The fourth proportional to 39,888.77, 55,036.84 and 22,657.30 is: 31,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.77 : 55,036.84 = 22,657.30 : x
  2. Step 2: Convert to fraction form
    39,888.77/55,036.84 = 22,657.30/x
  3. Step 3: Cross multiply
    39,888.77x = 55,036.84 × 22,657.30
  4. Step 4: Simplify right side
    39,888.77x = 1,246,986,081.65
  5. Step 5: Solve for x
    x = 1,246,986,081.65/39,888.77
  6. Step 6: Final answer
    x = 31,261.58

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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.