Home / 20,533.02-30,651-18,041.90

Finding the Fourth Proportional to 20,533.02, 30,651 and 18,041.90

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Solution

The fourth proportional to 20,533.02, 30,651 and 18,041.90 is: 26,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.02 : 30,651 = 18,041.90 : x
  2. Step 2: Convert to fraction form
    20,533.02/30,651 = 18,041.90/x
  3. Step 3: Cross multiply
    20,533.02x = 30,651 × 18,041.90
  4. Step 4: Simplify right side
    20,533.02x = 553,002,123.65
  5. Step 5: Solve for x
    x = 553,002,123.65/20,533.02
  6. Step 6: Final answer
    x = 26,932.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.