Home / 46,471.72-69,707.44-13,191.81

Finding the Fourth Proportional to 46,471.72, 69,707.44 and 13,191.81

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Solution

The fourth proportional to 46,471.72, 69,707.44 and 13,191.81 is: 19,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,471.72 : 69,707.44 = 13,191.81 : x
  2. Step 2: Convert to fraction form
    46,471.72/69,707.44 = 13,191.81/x
  3. Step 3: Cross multiply
    46,471.72x = 69,707.44 × 13,191.81
  4. Step 4: Simplify right side
    46,471.72x = 919,567,304.07
  5. Step 5: Solve for x
    x = 919,567,304.07/46,471.72
  6. Step 6: Final answer
    x = 19,787.68

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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.