Home / 42,264.84-63,407.79-12,683.22

Finding the Fourth Proportional to 42,264.84, 63,407.79 and 12,683.22

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Solution

The fourth proportional to 42,264.84, 63,407.79 and 12,683.22 is: 19,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,264.84 : 63,407.79 = 12,683.22 : x
  2. Step 2: Convert to fraction form
    42,264.84/63,407.79 = 12,683.22/x
  3. Step 3: Cross multiply
    42,264.84x = 63,407.79 × 12,683.22
  4. Step 4: Simplify right side
    42,264.84x = 804,214,950.28
  5. Step 5: Solve for x
    x = 804,214,950.28/42,264.84
  6. Step 6: Final answer
    x = 19,027.99

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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.