Home / 45,258.08-62,415.12-28,263.88

Finding the Fourth Proportional to 45,258.08, 62,415.12 and 28,263.88

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Solution

The fourth proportional to 45,258.08, 62,415.12 and 28,263.88 is: 38,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,258.08 : 62,415.12 = 28,263.88 : x
  2. Step 2: Convert to fraction form
    45,258.08/62,415.12 = 28,263.88/x
  3. Step 3: Cross multiply
    45,258.08x = 62,415.12 × 28,263.88
  4. Step 4: Simplify right side
    45,258.08x = 1,764,093,461.87
  5. Step 5: Solve for x
    x = 1,764,093,461.87/45,258.08
  6. Step 6: Final answer
    x = 38,978.53

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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.