Home / 55,413.14-83,127.91-20,350.06

Finding the Fourth Proportional to 55,413.14, 83,127.91 and 20,350.06

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Solution

The fourth proportional to 55,413.14, 83,127.91 and 20,350.06 is: 30,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.14 : 83,127.91 = 20,350.06 : x
  2. Step 2: Convert to fraction form
    55,413.14/83,127.91 = 20,350.06/x
  3. Step 3: Cross multiply
    55,413.14x = 83,127.91 × 20,350.06
  4. Step 4: Simplify right side
    55,413.14x = 1,691,657,956.17
  5. Step 5: Solve for x
    x = 1,691,657,956.17/55,413.14
  6. Step 6: Final answer
    x = 30,528.10

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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.