Home / 38,316.04-52,871.49-21,316.27

Finding the Fourth Proportional to 38,316.04, 52,871.49 and 21,316.27

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Solution

The fourth proportional to 38,316.04, 52,871.49 and 21,316.27 is: 29,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.04 : 52,871.49 = 21,316.27 : x
  2. Step 2: Convert to fraction form
    38,316.04/52,871.49 = 21,316.27/x
  3. Step 3: Cross multiply
    38,316.04x = 52,871.49 × 21,316.27
  4. Step 4: Simplify right side
    38,316.04x = 1,127,022,956.14
  5. Step 5: Solve for x
    x = 1,127,022,956.14/38,316.04
  6. Step 6: Final answer
    x = 29,413.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.