Home / 54,430.56-75,114.12-30,557.28

Finding the Fourth Proportional to 54,430.56, 75,114.12 and 30,557.28

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Solution

The fourth proportional to 54,430.56, 75,114.12 and 30,557.28 is: 42,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.56 : 75,114.12 = 30,557.28 : x
  2. Step 2: Convert to fraction form
    54,430.56/75,114.12 = 30,557.28/x
  3. Step 3: Cross multiply
    54,430.56x = 75,114.12 × 30,557.28
  4. Step 4: Simplify right side
    54,430.56x = 2,295,282,998.66
  5. Step 5: Solve for x
    x = 2,295,282,998.66/54,430.56
  6. Step 6: Final answer
    x = 42,169.01

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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.