Home / 48,643.90-72,993.98-20,562.13

Finding the Fourth Proportional to 48,643.90, 72,993.98 and 20,562.13

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Solution

The fourth proportional to 48,643.90, 72,993.98 and 20,562.13 is: 30,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.90 : 72,993.98 = 20,562.13 : x
  2. Step 2: Convert to fraction form
    48,643.90/72,993.98 = 20,562.13/x
  3. Step 3: Cross multiply
    48,643.90x = 72,993.98 × 20,562.13
  4. Step 4: Simplify right side
    48,643.90x = 1,500,911,603.17
  5. Step 5: Solve for x
    x = 1,500,911,603.17/48,643.90
  6. Step 6: Final answer
    x = 30,855.09

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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.