Home / 54,389.04-75,058.20-30,516.36

Finding the Fourth Proportional to 54,389.04, 75,058.20 and 30,516.36

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Solution

The fourth proportional to 54,389.04, 75,058.20 and 30,516.36 is: 42,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.04 : 75,058.20 = 30,516.36 : x
  2. Step 2: Convert to fraction form
    54,389.04/75,058.20 = 30,516.36/x
  3. Step 3: Cross multiply
    54,389.04x = 75,058.20 × 30,516.36
  4. Step 4: Simplify right side
    54,389.04x = 2,290,503,052.15
  5. Step 5: Solve for x
    x = 2,290,503,052.15/54,389.04
  6. Step 6: Final answer
    x = 42,113.32

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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.