Home / 30,601.36-42,206.07-22,135.24

Finding the Fourth Proportional to 30,601.36, 42,206.07 and 22,135.24

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Solution

The fourth proportional to 30,601.36, 42,206.07 and 22,135.24 is: 30,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.36 : 42,206.07 = 22,135.24 : x
  2. Step 2: Convert to fraction form
    30,601.36/42,206.07 = 22,135.24/x
  3. Step 3: Cross multiply
    30,601.36x = 42,206.07 × 22,135.24
  4. Step 4: Simplify right side
    30,601.36x = 934,241,488.91
  5. Step 5: Solve for x
    x = 934,241,488.91/30,601.36
  6. Step 6: Final answer
    x = 30,529.41

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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.