Home / 48,545.51-72,822.21-13,485.17

Finding the Fourth Proportional to 48,545.51, 72,822.21 and 13,485.17

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Solution

The fourth proportional to 48,545.51, 72,822.21 and 13,485.17 is: 20,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545.51 : 72,822.21 = 13,485.17 : x
  2. Step 2: Convert to fraction form
    48,545.51/72,822.21 = 13,485.17/x
  3. Step 3: Cross multiply
    48,545.51x = 72,822.21 × 13,485.17
  4. Step 4: Simplify right side
    48,545.51x = 982,019,517.51
  5. Step 5: Solve for x
    x = 982,019,517.51/48,545.51
  6. Step 6: Final answer
    x = 20,228.84

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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.