Home / 29,225.52-40,363.88-19,777.68

Finding the Fourth Proportional to 29,225.52, 40,363.88 and 19,777.68

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Solution

The fourth proportional to 29,225.52, 40,363.88 and 19,777.68 is: 27,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,225.52 : 40,363.88 = 19,777.68 : x
  2. Step 2: Convert to fraction form
    29,225.52/40,363.88 = 19,777.68/x
  3. Step 3: Cross multiply
    29,225.52x = 40,363.88 × 19,777.68
  4. Step 4: Simplify right side
    29,225.52x = 798,303,902.20
  5. Step 5: Solve for x
    x = 798,303,902.20/29,225.52
  6. Step 6: Final answer
    x = 27,315.30

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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.