Home / 54,358.02-75,017.34-30,486.11

Finding the Fourth Proportional to 54,358.02, 75,017.34 and 30,486.11

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Solution

The fourth proportional to 54,358.02, 75,017.34 and 30,486.11 is: 42,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,358.02 : 75,017.34 = 30,486.11 : x
  2. Step 2: Convert to fraction form
    54,358.02/75,017.34 = 30,486.11/x
  3. Step 3: Cross multiply
    54,358.02x = 75,017.34 × 30,486.11
  4. Step 4: Simplify right side
    54,358.02x = 2,286,986,504.06
  5. Step 5: Solve for x
    x = 2,286,986,504.06/54,358.02
  6. Step 6: Final answer
    x = 42,072.66

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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.