Home / 45,853.54-63,251.01-28,830.81

Finding the Fourth Proportional to 45,853.54, 63,251.01 and 28,830.81

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Solution

The fourth proportional to 45,853.54, 63,251.01 and 28,830.81 is: 39,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,853.54 : 63,251.01 = 28,830.81 : x
  2. Step 2: Convert to fraction form
    45,853.54/63,251.01 = 28,830.81/x
  3. Step 3: Cross multiply
    45,853.54x = 63,251.01 × 28,830.81
  4. Step 4: Simplify right side
    45,853.54x = 1,823,577,722.54
  5. Step 5: Solve for x
    x = 1,823,577,722.54/45,853.54
  6. Step 6: Final answer
    x = 39,769.62

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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.