Home / 52,120.84-71,927.01-28,247.51

Finding the Fourth Proportional to 52,120.84, 71,927.01 and 28,247.51

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Solution

The fourth proportional to 52,120.84, 71,927.01 and 28,247.51 is: 38,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.84 : 71,927.01 = 28,247.51 : x
  2. Step 2: Convert to fraction form
    52,120.84/71,927.01 = 28,247.51/x
  3. Step 3: Cross multiply
    52,120.84x = 71,927.01 × 28,247.51
  4. Step 4: Simplify right side
    52,120.84x = 2,031,758,503.99
  5. Step 5: Solve for x
    x = 2,031,758,503.99/52,120.84
  6. Step 6: Final answer
    x = 38,981.69

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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.