Home / 54,230.72-74,838.35-30,357.39

Finding the Fourth Proportional to 54,230.72, 74,838.35 and 30,357.39

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Solution

The fourth proportional to 54,230.72, 74,838.35 and 30,357.39 is: 41,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.72 : 74,838.35 = 30,357.39 : x
  2. Step 2: Convert to fraction form
    54,230.72/74,838.35 = 30,357.39/x
  3. Step 3: Cross multiply
    54,230.72x = 74,838.35 × 30,357.39
  4. Step 4: Simplify right side
    54,230.72x = 2,271,896,742.72
  5. Step 5: Solve for x
    x = 2,271,896,742.72/54,230.72
  6. Step 6: Final answer
    x = 41,893.17

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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.