Home / 47,199.51-70,799.13-12,138.93

Finding the Fourth Proportional to 47,199.51, 70,799.13 and 12,138.93

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Solution

The fourth proportional to 47,199.51, 70,799.13 and 12,138.93 is: 18,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.51 : 70,799.13 = 12,138.93 : x
  2. Step 2: Convert to fraction form
    47,199.51/70,799.13 = 12,138.93/x
  3. Step 3: Cross multiply
    47,199.51x = 70,799.13 × 12,138.93
  4. Step 4: Simplify right side
    47,199.51x = 859,425,683.13
  5. Step 5: Solve for x
    x = 859,425,683.13/47,199.51
  6. Step 6: Final answer
    x = 18,208.36

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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.