Home / 45,875.47-68,716-34,658.59

Finding the Fourth Proportional to 45,875.47, 68,716 and 34,658.59

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Solution

The fourth proportional to 45,875.47, 68,716 and 34,658.59 is: 51,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,875.47 : 68,716 = 34,658.59 : x
  2. Step 2: Convert to fraction form
    45,875.47/68,716 = 34,658.59/x
  3. Step 3: Cross multiply
    45,875.47x = 68,716 × 34,658.59
  4. Step 4: Simplify right side
    45,875.47x = 2,381,599,670.44
  5. Step 5: Solve for x
    x = 2,381,599,670.44/45,875.47
  6. Step 6: Final answer
    x = 51,914.45

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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.