Home / 39,159.64-54,054.30-22,402.36

Finding the Fourth Proportional to 39,159.64, 54,054.30 and 22,402.36

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Solution

The fourth proportional to 39,159.64, 54,054.30 and 22,402.36 is: 30,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.64 : 54,054.30 = 22,402.36 : x
  2. Step 2: Convert to fraction form
    39,159.64/54,054.30 = 22,402.36/x
  3. Step 3: Cross multiply
    39,159.64x = 54,054.30 × 22,402.36
  4. Step 4: Simplify right side
    39,159.64x = 1,210,943,888.15
  5. Step 5: Solve for x
    x = 1,210,943,888.15/39,159.64
  6. Step 6: Final answer
    x = 30,923.26

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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.