Home / 54,602.27-75,338.66-30,720.23

Finding the Fourth Proportional to 54,602.27, 75,338.66 and 30,720.23

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Solution

The fourth proportional to 54,602.27, 75,338.66 and 30,720.23 is: 42,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.27 : 75,338.66 = 30,720.23 : x
  2. Step 2: Convert to fraction form
    54,602.27/75,338.66 = 30,720.23/x
  3. Step 3: Cross multiply
    54,602.27x = 75,338.66 × 30,720.23
  4. Step 4: Simplify right side
    54,602.27x = 2,314,420,663.20
  5. Step 5: Solve for x
    x = 2,314,420,663.20/54,602.27
  6. Step 6: Final answer
    x = 42,386.90

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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.