Home / 33,534.12-46,278.06-18,427.72

Finding the Fourth Proportional to 33,534.12, 46,278.06 and 18,427.72

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Solution

The fourth proportional to 33,534.12, 46,278.06 and 18,427.72 is: 25,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,534.12 : 46,278.06 = 18,427.72 : x
  2. Step 2: Convert to fraction form
    33,534.12/46,278.06 = 18,427.72/x
  3. Step 3: Cross multiply
    33,534.12x = 46,278.06 × 18,427.72
  4. Step 4: Simplify right side
    33,534.12x = 852,799,131.82
  5. Step 5: Solve for x
    x = 852,799,131.82/33,534.12
  6. Step 6: Final answer
    x = 25,430.79

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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.