Home / 39,228.04-54,097.80-30,261.36

Finding the Fourth Proportional to 39,228.04, 54,097.80 and 30,261.36

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Solution

The fourth proportional to 39,228.04, 54,097.80 and 30,261.36 is: 41,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228.04 : 54,097.80 = 30,261.36 : x
  2. Step 2: Convert to fraction form
    39,228.04/54,097.80 = 30,261.36/x
  3. Step 3: Cross multiply
    39,228.04x = 54,097.80 × 30,261.36
  4. Step 4: Simplify right side
    39,228.04x = 1,637,073,001.01
  5. Step 5: Solve for x
    x = 1,637,073,001.01/39,228.04
  6. Step 6: Final answer
    x = 41,732.22

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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.