Home / 54,079.86-74,635.50-30,208.07

Finding the Fourth Proportional to 54,079.86, 74,635.50 and 30,208.07

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Solution

The fourth proportional to 54,079.86, 74,635.50 and 30,208.07 is: 41,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.86 : 74,635.50 = 30,208.07 : x
  2. Step 2: Convert to fraction form
    54,079.86/74,635.50 = 30,208.07/x
  3. Step 3: Cross multiply
    54,079.86x = 74,635.50 × 30,208.07
  4. Step 4: Simplify right side
    54,079.86x = 2,254,594,035.31
  5. Step 5: Solve for x
    x = 2,254,594,035.31/54,079.86
  6. Step 6: Final answer
    x = 41,690.09

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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.