Home / 48,422.81-72,638.40-13,362.47

Finding the Fourth Proportional to 48,422.81, 72,638.40 and 13,362.47

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Solution

The fourth proportional to 48,422.81, 72,638.40 and 13,362.47 is: 20,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.81 : 72,638.40 = 13,362.47 : x
  2. Step 2: Convert to fraction form
    48,422.81/72,638.40 = 13,362.47/x
  3. Step 3: Cross multiply
    48,422.81x = 72,638.40 × 13,362.47
  4. Step 4: Simplify right side
    48,422.81x = 970,628,077.66
  5. Step 5: Solve for x
    x = 970,628,077.66/48,422.81
  6. Step 6: Final answer
    x = 20,044.85

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1.5x scale

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.