Home / 40,828.52-61,242.23-19,770.45

Finding the Fourth Proportional to 40,828.52, 61,242.23 and 19,770.45

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Solution

The fourth proportional to 40,828.52, 61,242.23 and 19,770.45 is: 29,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.52 : 61,242.23 = 19,770.45 : x
  2. Step 2: Convert to fraction form
    40,828.52/61,242.23 = 19,770.45/x
  3. Step 3: Cross multiply
    40,828.52x = 61,242.23 × 19,770.45
  4. Step 4: Simplify right side
    40,828.52x = 1,210,786,446.10
  5. Step 5: Solve for x
    x = 1,210,786,446.10/40,828.52
  6. Step 6: Final answer
    x = 29,655.41

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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.