Home / 54,390.06-75,058.08-30,516.84

Finding the Fourth Proportional to 54,390.06, 75,058.08 and 30,516.84

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Solution

The fourth proportional to 54,390.06, 75,058.08 and 30,516.84 is: 42,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.06 : 75,058.08 = 30,516.84 : x
  2. Step 2: Convert to fraction form
    54,390.06/75,058.08 = 30,516.84/x
  3. Step 3: Cross multiply
    54,390.06x = 75,058.08 × 30,516.84
  4. Step 4: Simplify right side
    54,390.06x = 2,290,535,418.07
  5. Step 5: Solve for x
    x = 2,290,535,418.07/54,390.06
  6. Step 6: Final answer
    x = 42,113.13

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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.