Home / 46,145.40-69,218.10-40,313.40

Finding the Fourth Proportional to 46,145.40, 69,218.10 and 40,313.40

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Solution

The fourth proportional to 46,145.40, 69,218.10 and 40,313.40 is: 60,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,145.40 : 69,218.10 = 40,313.40 : x
  2. Step 2: Convert to fraction form
    46,145.40/69,218.10 = 40,313.40/x
  3. Step 3: Cross multiply
    46,145.40x = 69,218.10 × 40,313.40
  4. Step 4: Simplify right side
    46,145.40x = 2,790,416,952.54
  5. Step 5: Solve for x
    x = 2,790,416,952.54/46,145.40
  6. Step 6: Final answer
    x = 60,470.10

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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.