Home / 42,876.96-59,140.68-30,157.13

Finding the Fourth Proportional to 42,876.96, 59,140.68 and 30,157.13

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Solution

The fourth proportional to 42,876.96, 59,140.68 and 30,157.13 is: 41,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,876.96 : 59,140.68 = 30,157.13 : x
  2. Step 2: Convert to fraction form
    42,876.96/59,140.68 = 30,157.13/x
  3. Step 3: Cross multiply
    42,876.96x = 59,140.68 × 30,157.13
  4. Step 4: Simplify right side
    42,876.96x = 1,783,513,175.05
  5. Step 5: Solve for x
    x = 1,783,513,175.05/42,876.96
  6. Step 6: Final answer
    x = 41,596.07

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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.