Home / 48,424.81-72,641.40-13,364.47

Finding the Fourth Proportional to 48,424.81, 72,641.40 and 13,364.47

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Solution

The fourth proportional to 48,424.81, 72,641.40 and 13,364.47 is: 20,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,424.81 : 72,641.40 = 13,364.47 : x
  2. Step 2: Convert to fraction form
    48,424.81/72,641.40 = 13,364.47/x
  3. Step 3: Cross multiply
    48,424.81x = 72,641.40 × 13,364.47
  4. Step 4: Simplify right side
    48,424.81x = 970,813,811.06
  5. Step 5: Solve for x
    x = 970,813,811.06/48,424.81
  6. Step 6: Final answer
    x = 20,047.86

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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.