Home / 68,342.02-102,528.05-20,963.63

Finding the Fourth Proportional to 68,342.02, 102,528.05 and 20,963.63

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Solution

The fourth proportional to 68,342.02, 102,528.05 and 20,963.63 is: 31,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,342.02 : 102,528.05 = 20,963.63 : x
  2. Step 2: Convert to fraction form
    68,342.02/102,528.05 = 20,963.63/x
  3. Step 3: Cross multiply
    68,342.02x = 102,528.05 × 20,963.63
  4. Step 4: Simplify right side
    68,342.02x = 2,149,360,256.32
  5. Step 5: Solve for x
    x = 2,149,360,256.32/68,342.02
  6. Step 6: Final answer
    x = 31,450.06

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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.