Home / 30,292.13-45,434.61-8,107.25

Finding the Fourth Proportional to 30,292.13, 45,434.61 and 8,107.25

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Solution

The fourth proportional to 30,292.13, 45,434.61 and 8,107.25 is: 12,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.13 : 45,434.61 = 8,107.25 : x
  2. Step 2: Convert to fraction form
    30,292.13/45,434.61 = 8,107.25/x
  3. Step 3: Cross multiply
    30,292.13x = 45,434.61 × 8,107.25
  4. Step 4: Simplify right side
    30,292.13x = 368,349,514.75
  5. Step 5: Solve for x
    x = 368,349,514.75/30,292.13
  6. Step 6: Final answer
    x = 12,159.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.