Home / 31,590.77-47,181.33-28,623.28

Finding the Fourth Proportional to 31,590.77, 47,181.33 and 28,623.28

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Solution

The fourth proportional to 31,590.77, 47,181.33 and 28,623.28 is: 42,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.77 : 47,181.33 = 28,623.28 : x
  2. Step 2: Convert to fraction form
    31,590.77/47,181.33 = 28,623.28/x
  3. Step 3: Cross multiply
    31,590.77x = 47,181.33 × 28,623.28
  4. Step 4: Simplify right side
    31,590.77x = 1,350,484,389.87
  5. Step 5: Solve for x
    x = 1,350,484,389.87/31,590.77
  6. Step 6: Final answer
    x = 42,749.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.