Home / 45,988.54-63,464.74-28,081.06

Finding the Fourth Proportional to 45,988.54, 63,464.74 and 28,081.06

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Solution

The fourth proportional to 45,988.54, 63,464.74 and 28,081.06 is: 38,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,988.54 : 63,464.74 = 28,081.06 : x
  2. Step 2: Convert to fraction form
    45,988.54/63,464.74 = 28,081.06/x
  3. Step 3: Cross multiply
    45,988.54x = 63,464.74 × 28,081.06
  4. Step 4: Simplify right side
    45,988.54x = 1,782,157,171.82
  5. Step 5: Solve for x
    x = 1,782,157,171.82/45,988.54
  6. Step 6: Final answer
    x = 38,752.20

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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.