Home / 30,287.52-41,798.88-18,351.36

Finding the Fourth Proportional to 30,287.52, 41,798.88 and 18,351.36

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Solution

The fourth proportional to 30,287.52, 41,798.88 and 18,351.36 is: 25,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.52 : 41,798.88 = 18,351.36 : x
  2. Step 2: Convert to fraction form
    30,287.52/41,798.88 = 18,351.36/x
  3. Step 3: Cross multiply
    30,287.52x = 41,798.88 × 18,351.36
  4. Step 4: Simplify right side
    30,287.52x = 767,066,294.48
  5. Step 5: Solve for x
    x = 767,066,294.48/30,287.52
  6. Step 6: Final answer
    x = 25,326.15

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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.