Home / 53,312.49-79,881.21-18,233.01

Finding the Fourth Proportional to 53,312.49, 79,881.21 and 18,233.01

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Solution

The fourth proportional to 53,312.49, 79,881.21 and 18,233.01 is: 27,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.49 : 79,881.21 = 18,233.01 : x
  2. Step 2: Convert to fraction form
    53,312.49/79,881.21 = 18,233.01/x
  3. Step 3: Cross multiply
    53,312.49x = 79,881.21 × 18,233.01
  4. Step 4: Simplify right side
    53,312.49x = 1,456,474,900.74
  5. Step 5: Solve for x
    x = 1,456,474,900.74/53,312.49
  6. Step 6: Final answer
    x = 27,319.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.