Home / 53,881.76-74,350.29-30,910.39

Finding the Fourth Proportional to 53,881.76, 74,350.29 and 30,910.39

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Solution

The fourth proportional to 53,881.76, 74,350.29 and 30,910.39 is: 42,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.76 : 74,350.29 = 30,910.39 : x
  2. Step 2: Convert to fraction form
    53,881.76/74,350.29 = 30,910.39/x
  3. Step 3: Cross multiply
    53,881.76x = 74,350.29 × 30,910.39
  4. Step 4: Simplify right side
    53,881.76x = 2,298,196,460.51
  5. Step 5: Solve for x
    x = 2,298,196,460.51/53,881.76
  6. Step 6: Final answer
    x = 42,652.59

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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.