Home / 47,929.22-66,134.54-27,782.16

Finding the Fourth Proportional to 47,929.22, 66,134.54 and 27,782.16

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Solution

The fourth proportional to 47,929.22, 66,134.54 and 27,782.16 is: 38,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.22 : 66,134.54 = 27,782.16 : x
  2. Step 2: Convert to fraction form
    47,929.22/66,134.54 = 27,782.16/x
  3. Step 3: Cross multiply
    47,929.22x = 66,134.54 × 27,782.16
  4. Step 4: Simplify right side
    47,929.22x = 1,837,360,232.90
  5. Step 5: Solve for x
    x = 1,837,360,232.90/47,929.22
  6. Step 6: Final answer
    x = 38,334.87

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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.