Home / 67,403.07-101,100.96-20,656.08

Finding the Fourth Proportional to 67,403.07, 101,100.96 and 20,656.08

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Solution

The fourth proportional to 67,403.07, 101,100.96 and 20,656.08 is: 30,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,403.07 : 101,100.96 = 20,656.08 : x
  2. Step 2: Convert to fraction form
    67,403.07/101,100.96 = 20,656.08/x
  3. Step 3: Cross multiply
    67,403.07x = 101,100.96 × 20,656.08
  4. Step 4: Simplify right side
    67,403.07x = 2,088,349,517.84
  5. Step 5: Solve for x
    x = 2,088,349,517.84/67,403.07
  6. Step 6: Final answer
    x = 30,983.00

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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.