Home / 56,190.91-84,258.13-18,737.72

Finding the Fourth Proportional to 56,190.91, 84,258.13 and 18,737.72

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Solution

The fourth proportional to 56,190.91, 84,258.13 and 18,737.72 is: 28,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,190.91 : 84,258.13 = 18,737.72 : x
  2. Step 2: Convert to fraction form
    56,190.91/84,258.13 = 18,737.72/x
  3. Step 3: Cross multiply
    56,190.91x = 84,258.13 × 18,737.72
  4. Step 4: Simplify right side
    56,190.91x = 1,578,805,247.66
  5. Step 5: Solve for x
    x = 1,578,805,247.66/56,190.91
  6. Step 6: Final answer
    x = 28,097.16

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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.