Home / 30,416.13-41,979.33-29,616.66

Finding the Fourth Proportional to 30,416.13, 41,979.33 and 29,616.66

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Solution

The fourth proportional to 30,416.13, 41,979.33 and 29,616.66 is: 40,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.13 : 41,979.33 = 29,616.66 : x
  2. Step 2: Convert to fraction form
    30,416.13/41,979.33 = 29,616.66/x
  3. Step 3: Cross multiply
    30,416.13x = 41,979.33 × 29,616.66
  4. Step 4: Simplify right side
    30,416.13x = 1,243,287,543.64
  5. Step 5: Solve for x
    x = 1,243,287,543.64/30,416.13
  6. Step 6: Final answer
    x = 40,875.93

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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.