Home / 54,435.22-81,640.40-14,995.78

Finding the Fourth Proportional to 54,435.22, 81,640.40 and 14,995.78

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Solution

The fourth proportional to 54,435.22, 81,640.40 and 14,995.78 is: 22,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.22 : 81,640.40 = 14,995.78 : x
  2. Step 2: Convert to fraction form
    54,435.22/81,640.40 = 14,995.78/x
  3. Step 3: Cross multiply
    54,435.22x = 81,640.40 × 14,995.78
  4. Step 4: Simplify right side
    54,435.22x = 1,224,261,477.51
  5. Step 5: Solve for x
    x = 1,224,261,477.51/54,435.22
  6. Step 6: Final answer
    x = 22,490.25

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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.