Home / 34,291.15-47,320.14-21,550.93

Finding the Fourth Proportional to 34,291.15, 47,320.14 and 21,550.93

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Solution

The fourth proportional to 34,291.15, 47,320.14 and 21,550.93 is: 29,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.15 : 47,320.14 = 21,550.93 : x
  2. Step 2: Convert to fraction form
    34,291.15/47,320.14 = 21,550.93/x
  3. Step 3: Cross multiply
    34,291.15x = 47,320.14 × 21,550.93
  4. Step 4: Simplify right side
    34,291.15x = 1,019,793,024.73
  5. Step 5: Solve for x
    x = 1,019,793,024.73/34,291.15
  6. Step 6: Final answer
    x = 29,739.25

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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.