Home / 34,161.56-47,143.01-19,055.20

Finding the Fourth Proportional to 34,161.56, 47,143.01 and 19,055.20

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Solution

The fourth proportional to 34,161.56, 47,143.01 and 19,055.20 is: 26,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161.56 : 47,143.01 = 19,055.20 : x
  2. Step 2: Convert to fraction form
    34,161.56/47,143.01 = 19,055.20/x
  3. Step 3: Cross multiply
    34,161.56x = 47,143.01 × 19,055.20
  4. Step 4: Simplify right side
    34,161.56x = 898,319,484.15
  5. Step 5: Solve for x
    x = 898,319,484.15/34,161.56
  6. Step 6: Final answer
    x = 26,296.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.