Home / 47,201.51-70,802.13-12,140.93

Finding the Fourth Proportional to 47,201.51, 70,802.13 and 12,140.93

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Solution

The fourth proportional to 47,201.51, 70,802.13 and 12,140.93 is: 18,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.51 : 70,802.13 = 12,140.93 : x
  2. Step 2: Convert to fraction form
    47,201.51/70,802.13 = 12,140.93/x
  3. Step 3: Cross multiply
    47,201.51x = 70,802.13 × 12,140.93
  4. Step 4: Simplify right side
    47,201.51x = 859,603,704.18
  5. Step 5: Solve for x
    x = 859,603,704.18/47,201.51
  6. Step 6: Final answer
    x = 18,211.36

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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.