Home / 31,040.08-42,873.78-22,528.60

Finding the Fourth Proportional to 31,040.08, 42,873.78 and 22,528.60

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Solution

The fourth proportional to 31,040.08, 42,873.78 and 22,528.60 is: 31,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.08 : 42,873.78 = 22,528.60 : x
  2. Step 2: Convert to fraction form
    31,040.08/42,873.78 = 22,528.60/x
  3. Step 3: Cross multiply
    31,040.08x = 42,873.78 × 22,528.60
  4. Step 4: Simplify right side
    31,040.08x = 965,886,240.11
  5. Step 5: Solve for x
    x = 965,886,240.11/31,040.08
  6. Step 6: Final answer
    x = 31,117.39

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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.