Home / 53,688.49-74,089.69-29,815.22

Finding the Fourth Proportional to 53,688.49, 74,089.69 and 29,815.22

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Solution

The fourth proportional to 53,688.49, 74,089.69 and 29,815.22 is: 41,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.49 : 74,089.69 = 29,815.22 : x
  2. Step 2: Convert to fraction form
    53,688.49/74,089.69 = 29,815.22/x
  3. Step 3: Cross multiply
    53,688.49x = 74,089.69 × 29,815.22
  4. Step 4: Simplify right side
    53,688.49x = 2,209,000,517.77
  5. Step 5: Solve for x
    x = 2,209,000,517.77/53,688.49
  6. Step 6: Final answer
    x = 41,144.77

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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.