Home / 40,206.80-55,488.60-22,307.36

Finding the Fourth Proportional to 40,206.80, 55,488.60 and 22,307.36

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Solution

The fourth proportional to 40,206.80, 55,488.60 and 22,307.36 is: 30,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.80 : 55,488.60 = 22,307.36 : x
  2. Step 2: Convert to fraction form
    40,206.80/55,488.60 = 22,307.36/x
  3. Step 3: Cross multiply
    40,206.80x = 55,488.60 × 22,307.36
  4. Step 4: Simplify right side
    40,206.80x = 1,237,804,176.10
  5. Step 5: Solve for x
    x = 1,237,804,176.10/40,206.80
  6. Step 6: Final answer
    x = 30,785.94

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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.