Home / 42,388.23-63,603.02-17,435.78

Finding the Fourth Proportional to 42,388.23, 63,603.02 and 17,435.78

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Solution

The fourth proportional to 42,388.23, 63,603.02 and 17,435.78 is: 26,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,388.23 : 63,603.02 = 17,435.78 : x
  2. Step 2: Convert to fraction form
    42,388.23/63,603.02 = 17,435.78/x
  3. Step 3: Cross multiply
    42,388.23x = 63,603.02 × 17,435.78
  4. Step 4: Simplify right side
    42,388.23x = 1,108,968,264.06
  5. Step 5: Solve for x
    x = 1,108,968,264.06/42,388.23
  6. Step 6: Final answer
    x = 26,162.17

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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.