Home / 42,038.15-63,040.83-18,352.94

Finding the Fourth Proportional to 42,038.15, 63,040.83 and 18,352.94

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Solution

The fourth proportional to 42,038.15, 63,040.83 and 18,352.94 is: 27,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.15 : 63,040.83 = 18,352.94 : x
  2. Step 2: Convert to fraction form
    42,038.15/63,040.83 = 18,352.94/x
  3. Step 3: Cross multiply
    42,038.15x = 63,040.83 × 18,352.94
  4. Step 4: Simplify right side
    42,038.15x = 1,156,984,570.54
  5. Step 5: Solve for x
    x = 1,156,984,570.54/42,038.15
  6. Step 6: Final answer
    x = 27,522.25

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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.