Home / 54,637.05-75,420.32-42,704.27

Finding the Fourth Proportional to 54,637.05, 75,420.32 and 42,704.27

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Solution

The fourth proportional to 54,637.05, 75,420.32 and 42,704.27 is: 58,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,637.05 : 75,420.32 = 42,704.27 : x
  2. Step 2: Convert to fraction form
    54,637.05/75,420.32 = 42,704.27/x
  3. Step 3: Cross multiply
    54,637.05x = 75,420.32 × 42,704.27
  4. Step 4: Simplify right side
    54,637.05x = 3,220,769,118.14
  5. Step 5: Solve for x
    x = 3,220,769,118.14/54,637.05
  6. Step 6: Final answer
    x = 58,948.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.