Home / 47,802.12-65,949.30-28,932.36

Finding the Fourth Proportional to 47,802.12, 65,949.30 and 28,932.36

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Solution

The fourth proportional to 47,802.12, 65,949.30 and 28,932.36 is: 39,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,802.12 : 65,949.30 = 28,932.36 : x
  2. Step 2: Convert to fraction form
    47,802.12/65,949.30 = 28,932.36/x
  3. Step 3: Cross multiply
    47,802.12x = 65,949.30 × 28,932.36
  4. Step 4: Simplify right side
    47,802.12x = 1,908,068,889.35
  5. Step 5: Solve for x
    x = 1,908,068,889.35/47,802.12
  6. Step 6: Final answer
    x = 39,915.99

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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.