Home / 56,928.39-85,396.76-21,868.07

Finding the Fourth Proportional to 56,928.39, 85,396.76 and 21,868.07

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Solution

The fourth proportional to 56,928.39, 85,396.76 and 21,868.07 is: 32,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.39 : 85,396.76 = 21,868.07 : x
  2. Step 2: Convert to fraction form
    56,928.39/85,396.76 = 21,868.07/x
  3. Step 3: Cross multiply
    56,928.39x = 85,396.76 × 21,868.07
  4. Step 4: Simplify right side
    56,928.39x = 1,867,461,789.13
  5. Step 5: Solve for x
    x = 1,867,461,789.13/56,928.39
  6. Step 6: Final answer
    x = 32,803.70

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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.