Home / 47,208.36-70,805.67-13,926.78

Finding the Fourth Proportional to 47,208.36, 70,805.67 and 13,926.78

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Solution

The fourth proportional to 47,208.36, 70,805.67 and 13,926.78 is: 20,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,208.36 : 70,805.67 = 13,926.78 : x
  2. Step 2: Convert to fraction form
    47,208.36/70,805.67 = 13,926.78/x
  3. Step 3: Cross multiply
    47,208.36x = 70,805.67 × 13,926.78
  4. Step 4: Simplify right side
    47,208.36x = 986,094,988.84
  5. Step 5: Solve for x
    x = 986,094,988.84/47,208.36
  6. Step 6: Final answer
    x = 20,888.14

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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.