Home / 34,091.25-47,055.06-20,663.07

Finding the Fourth Proportional to 34,091.25, 47,055.06 and 20,663.07

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Solution

The fourth proportional to 34,091.25, 47,055.06 and 20,663.07 is: 28,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,091.25 : 47,055.06 = 20,663.07 : x
  2. Step 2: Convert to fraction form
    34,091.25/47,055.06 = 20,663.07/x
  3. Step 3: Cross multiply
    34,091.25x = 47,055.06 × 20,663.07
  4. Step 4: Simplify right side
    34,091.25x = 972,301,998.63
  5. Step 5: Solve for x
    x = 972,301,998.63/34,091.25
  6. Step 6: Final answer
    x = 28,520.57

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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.