Home / 52,210.27-72,017.40-30,974.50

Finding the Fourth Proportional to 52,210.27, 72,017.40 and 30,974.50

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Solution

The fourth proportional to 52,210.27, 72,017.40 and 30,974.50 is: 42,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,210.27 : 72,017.40 = 30,974.50 : x
  2. Step 2: Convert to fraction form
    52,210.27/72,017.40 = 30,974.50/x
  3. Step 3: Cross multiply
    52,210.27x = 72,017.40 × 30,974.50
  4. Step 4: Simplify right side
    52,210.27x = 2,230,702,956.30
  5. Step 5: Solve for x
    x = 2,230,702,956.30/52,210.27
  6. Step 6: Final answer
    x = 42,725.37

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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.