Home / 20,313.38-30,444.05-17,669.81

Finding the Fourth Proportional to 20,313.38, 30,444.05 and 17,669.81

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Solution

The fourth proportional to 20,313.38, 30,444.05 and 17,669.81 is: 26,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.38 : 30,444.05 = 17,669.81 : x
  2. Step 2: Convert to fraction form
    20,313.38/30,444.05 = 17,669.81/x
  3. Step 3: Cross multiply
    20,313.38x = 30,444.05 × 17,669.81
  4. Step 4: Simplify right side
    20,313.38x = 537,940,699.42
  5. Step 5: Solve for x
    x = 537,940,699.42/20,313.38
  6. Step 6: Final answer
    x = 26,482.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.