Home / 54,509.85-75,216.87-31,543.62

Finding the Fourth Proportional to 54,509.85, 75,216.87 and 31,543.62

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Solution

The fourth proportional to 54,509.85, 75,216.87 and 31,543.62 is: 43,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,509.85 : 75,216.87 = 31,543.62 : x
  2. Step 2: Convert to fraction form
    54,509.85/75,216.87 = 31,543.62/x
  3. Step 3: Cross multiply
    54,509.85x = 75,216.87 × 31,543.62
  4. Step 4: Simplify right side
    54,509.85x = 2,372,612,364.87
  5. Step 5: Solve for x
    x = 2,372,612,364.87/54,509.85
  6. Step 6: Final answer
    x = 43,526.31

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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.