Home / 46,470.28-69,705.28-13,190.38

Finding the Fourth Proportional to 46,470.28, 69,705.28 and 13,190.38

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Solution

The fourth proportional to 46,470.28, 69,705.28 and 13,190.38 is: 19,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,470.28 : 69,705.28 = 13,190.38 : x
  2. Step 2: Convert to fraction form
    46,470.28/69,705.28 = 13,190.38/x
  3. Step 3: Cross multiply
    46,470.28x = 69,705.28 × 13,190.38
  4. Step 4: Simplify right side
    46,470.28x = 919,439,131.21
  5. Step 5: Solve for x
    x = 919,439,131.21/46,470.28
  6. Step 6: Final answer
    x = 19,785.53

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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.