Home / 42,961.53-64,416.41-19,264.79

Finding the Fourth Proportional to 42,961.53, 64,416.41 and 19,264.79

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Solution

The fourth proportional to 42,961.53, 64,416.41 and 19,264.79 is: 28,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,961.53 : 64,416.41 = 19,264.79 : x
  2. Step 2: Convert to fraction form
    42,961.53/64,416.41 = 19,264.79/x
  3. Step 3: Cross multiply
    42,961.53x = 64,416.41 × 19,264.79
  4. Step 4: Simplify right side
    42,961.53x = 1,240,968,192.80
  5. Step 5: Solve for x
    x = 1,240,968,192.80/42,961.53
  6. Step 6: Final answer
    x = 28,885.57

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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.