Home / 44,640.72-66,943.80-13,040.19

Finding the Fourth Proportional to 44,640.72, 66,943.80 and 13,040.19

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Solution

The fourth proportional to 44,640.72, 66,943.80 and 13,040.19 is: 19,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,640.72 : 66,943.80 = 13,040.19 : x
  2. Step 2: Convert to fraction form
    44,640.72/66,943.80 = 13,040.19/x
  3. Step 3: Cross multiply
    44,640.72x = 66,943.80 × 13,040.19
  4. Step 4: Simplify right side
    44,640.72x = 872,959,871.32
  5. Step 5: Solve for x
    x = 872,959,871.32/44,640.72
  6. Step 6: Final answer
    x = 19,555.24

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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.