Home / 37,887.12-52,280.64-21,967.92

Finding the Fourth Proportional to 37,887.12, 52,280.64 and 21,967.92

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Solution

The fourth proportional to 37,887.12, 52,280.64 and 21,967.92 is: 30,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.12 : 52,280.64 = 21,967.92 : x
  2. Step 2: Convert to fraction form
    37,887.12/52,280.64 = 21,967.92/x
  3. Step 3: Cross multiply
    37,887.12x = 52,280.64 × 21,967.92
  4. Step 4: Simplify right side
    37,887.12x = 1,148,496,917.07
  5. Step 5: Solve for x
    x = 1,148,496,917.07/37,887.12
  6. Step 6: Final answer
    x = 30,313.65

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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.