Home / 46,491.08-69,724.16-20,189.56

Finding the Fourth Proportional to 46,491.08, 69,724.16 and 20,189.56

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Solution

The fourth proportional to 46,491.08, 69,724.16 and 20,189.56 is: 30,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,491.08 : 69,724.16 = 20,189.56 : x
  2. Step 2: Convert to fraction form
    46,491.08/69,724.16 = 20,189.56/x
  3. Step 3: Cross multiply
    46,491.08x = 69,724.16 × 20,189.56
  4. Step 4: Simplify right side
    46,491.08x = 1,407,700,111.77
  5. Step 5: Solve for x
    x = 1,407,700,111.77/46,491.08
  6. Step 6: Final answer
    x = 30,278.93

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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.