Home / 42,224.02-63,326.54-12,638.06

Finding the Fourth Proportional to 42,224.02, 63,326.54 and 12,638.06

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Solution

The fourth proportional to 42,224.02, 63,326.54 and 12,638.06 is: 18,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,224.02 : 63,326.54 = 12,638.06 : x
  2. Step 2: Convert to fraction form
    42,224.02/63,326.54 = 12,638.06/x
  3. Step 3: Cross multiply
    42,224.02x = 63,326.54 × 12,638.06
  4. Step 4: Simplify right side
    42,224.02x = 800,324,612.11
  5. Step 5: Solve for x
    x = 800,324,612.11/42,224.02
  6. Step 6: Final answer
    x = 18,954.25

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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.