Home / 42,961.26-64,415.97-19,264.50

Finding the Fourth Proportional to 42,961.26, 64,415.97 and 19,264.50

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Solution

The fourth proportional to 42,961.26, 64,415.97 and 19,264.50 is: 28,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,961.26 : 64,415.97 = 19,264.50 : x
  2. Step 2: Convert to fraction form
    42,961.26/64,415.97 = 19,264.50/x
  3. Step 3: Cross multiply
    42,961.26x = 64,415.97 × 19,264.50
  4. Step 4: Simplify right side
    42,961.26x = 1,240,941,454.07
  5. Step 5: Solve for x
    x = 1,240,941,454.07/42,961.26
  6. Step 6: Final answer
    x = 28,885.13

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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.