Home / 42,811.90-64,217.94-23,099.74

Finding the Fourth Proportional to 42,811.90, 64,217.94 and 23,099.74

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Solution

The fourth proportional to 42,811.90, 64,217.94 and 23,099.74 is: 34,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,811.90 : 64,217.94 = 23,099.74 : x
  2. Step 2: Convert to fraction form
    42,811.90/64,217.94 = 23,099.74/x
  3. Step 3: Cross multiply
    42,811.90x = 64,217.94 × 23,099.74
  4. Step 4: Simplify right side
    42,811.90x = 1,483,417,717.34
  5. Step 5: Solve for x
    x = 1,483,417,717.34/42,811.90
  6. Step 6: Final answer
    x = 34,649.66

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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.