Home / 34,278.06-47,302.77-19,170.75

Finding the Fourth Proportional to 34,278.06, 47,302.77 and 19,170.75

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Solution

The fourth proportional to 34,278.06, 47,302.77 and 19,170.75 is: 26,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.06 : 47,302.77 = 19,170.75 : x
  2. Step 2: Convert to fraction form
    34,278.06/47,302.77 = 19,170.75/x
  3. Step 3: Cross multiply
    34,278.06x = 47,302.77 × 19,170.75
  4. Step 4: Simplify right side
    34,278.06x = 906,829,577.98
  5. Step 5: Solve for x
    x = 906,829,577.98/34,278.06
  6. Step 6: Final answer
    x = 26,455.10

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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.