Home / 48,220.79-72,304.81-38,289.33

Finding the Fourth Proportional to 48,220.79, 72,304.81 and 38,289.33

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Solution

The fourth proportional to 48,220.79, 72,304.81 and 38,289.33 is: 57,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.79 : 72,304.81 = 38,289.33 : x
  2. Step 2: Convert to fraction form
    48,220.79/72,304.81 = 38,289.33/x
  3. Step 3: Cross multiply
    48,220.79x = 72,304.81 × 38,289.33
  4. Step 4: Simplify right side
    48,220.79x = 2,768,502,730.68
  5. Step 5: Solve for x
    x = 2,768,502,730.68/48,220.79
  6. Step 6: Final answer
    x = 57,413.05

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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.