Home / 34,447.13-47,542.23-21,026.19

Finding the Fourth Proportional to 34,447.13, 47,542.23 and 21,026.19

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Solution

The fourth proportional to 34,447.13, 47,542.23 and 21,026.19 is: 29,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,447.13 : 47,542.23 = 21,026.19 : x
  2. Step 2: Convert to fraction form
    34,447.13/47,542.23 = 21,026.19/x
  3. Step 3: Cross multiply
    34,447.13x = 47,542.23 × 21,026.19
  4. Step 4: Simplify right side
    34,447.13x = 999,631,961.00
  5. Step 5: Solve for x
    x = 999,631,961.00/34,447.13
  6. Step 6: Final answer
    x = 29,019.31

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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.