Home / 54,351.99-74,980.22-38,445.21

Finding the Fourth Proportional to 54,351.99, 74,980.22 and 38,445.21

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Solution

The fourth proportional to 54,351.99, 74,980.22 and 38,445.21 is: 53,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,351.99 : 74,980.22 = 38,445.21 : x
  2. Step 2: Convert to fraction form
    54,351.99/74,980.22 = 38,445.21/x
  3. Step 3: Cross multiply
    54,351.99x = 74,980.22 × 38,445.21
  4. Step 4: Simplify right side
    54,351.99x = 2,882,630,111.52
  5. Step 5: Solve for x
    x = 2,882,630,111.52/54,351.99
  6. Step 6: Final answer
    x = 53,036.33

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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.