Home / 47,829.32-71,758-19,750.98

Finding the Fourth Proportional to 47,829.32, 71,758 and 19,750.98

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Solution

The fourth proportional to 47,829.32, 71,758 and 19,750.98 is: 29,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,829.32 : 71,758 = 19,750.98 : x
  2. Step 2: Convert to fraction form
    47,829.32/71,758 = 19,750.98/x
  3. Step 3: Cross multiply
    47,829.32x = 71,758 × 19,750.98
  4. Step 4: Simplify right side
    47,829.32x = 1,417,290,822.84
  5. Step 5: Solve for x
    x = 1,417,290,822.84/47,829.32
  6. Step 6: Final answer
    x = 29,632.26

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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.