Home / 34,292.80-47,326.26-19,187.20

Finding the Fourth Proportional to 34,292.80, 47,326.26 and 19,187.20

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Solution

The fourth proportional to 34,292.80, 47,326.26 and 19,187.20 is: 26,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,292.80 : 47,326.26 = 19,187.20 : x
  2. Step 2: Convert to fraction form
    34,292.80/47,326.26 = 19,187.20/x
  3. Step 3: Cross multiply
    34,292.80x = 47,326.26 × 19,187.20
  4. Step 4: Simplify right side
    34,292.80x = 908,058,415.87
  5. Step 5: Solve for x
    x = 908,058,415.87/34,292.80
  6. Step 6: Final answer
    x = 26,479.56

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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.