Home / 42,603.23-63,904.86-11,438.48

Finding the Fourth Proportional to 42,603.23, 63,904.86 and 11,438.48

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Solution

The fourth proportional to 42,603.23, 63,904.86 and 11,438.48 is: 17,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,603.23 : 63,904.86 = 11,438.48 : x
  2. Step 2: Convert to fraction form
    42,603.23/63,904.86 = 11,438.48/x
  3. Step 3: Cross multiply
    42,603.23x = 63,904.86 × 11,438.48
  4. Step 4: Simplify right side
    42,603.23x = 730,974,463.01
  5. Step 5: Solve for x
    x = 730,974,463.01/42,603.23
  6. Step 6: Final answer
    x = 17,157.72

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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.