Home / 54,424.50-81,612.12-19,365.08

Finding the Fourth Proportional to 54,424.50, 81,612.12 and 19,365.08

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Solution

The fourth proportional to 54,424.50, 81,612.12 and 19,365.08 is: 29,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,424.50 : 81,612.12 = 19,365.08 : x
  2. Step 2: Convert to fraction form
    54,424.50/81,612.12 = 19,365.08/x
  3. Step 3: Cross multiply
    54,424.50x = 81,612.12 × 19,365.08
  4. Step 4: Simplify right side
    54,424.50x = 1,580,425,232.77
  5. Step 5: Solve for x
    x = 1,580,425,232.77/54,424.50
  6. Step 6: Final answer
    x = 29,038.86

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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.