Home / 34,545.92-47,670.19-20,208.92

Finding the Fourth Proportional to 34,545.92, 47,670.19 and 20,208.92

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Solution

The fourth proportional to 34,545.92, 47,670.19 and 20,208.92 is: 27,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,545.92 : 47,670.19 = 20,208.92 : x
  2. Step 2: Convert to fraction form
    34,545.92/47,670.19 = 20,208.92/x
  3. Step 3: Cross multiply
    34,545.92x = 47,670.19 × 20,208.92
  4. Step 4: Simplify right side
    34,545.92x = 963,362,767.22
  5. Step 5: Solve for x
    x = 963,362,767.22/34,545.92
  6. Step 6: Final answer
    x = 27,886.45

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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.