Home / 54,357.24-75,016.56-30,485.40

Finding the Fourth Proportional to 54,357.24, 75,016.56 and 30,485.40

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Solution

The fourth proportional to 54,357.24, 75,016.56 and 30,485.40 is: 42,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,357.24 : 75,016.56 = 30,485.40 : x
  2. Step 2: Convert to fraction form
    54,357.24/75,016.56 = 30,485.40/x
  3. Step 3: Cross multiply
    54,357.24x = 75,016.56 × 30,485.40
  4. Step 4: Simplify right side
    54,357.24x = 2,286,909,838.22
  5. Step 5: Solve for x
    x = 2,286,909,838.22/54,357.24
  6. Step 6: Final answer
    x = 42,071.85

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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.