Home / 53,902.71-74,388.05-30,029.40

Finding the Fourth Proportional to 53,902.71, 74,388.05 and 30,029.40

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Solution

The fourth proportional to 53,902.71, 74,388.05 and 30,029.40 is: 41,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902.71 : 74,388.05 = 30,029.40 : x
  2. Step 2: Convert to fraction form
    53,902.71/74,388.05 = 30,029.40/x
  3. Step 3: Cross multiply
    53,902.71x = 74,388.05 × 30,029.40
  4. Step 4: Simplify right side
    53,902.71x = 2,233,828,358.52
  5. Step 5: Solve for x
    x = 2,233,828,358.52/53,902.71
  6. Step 6: Final answer
    x = 41,441.86

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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.