Home / 53,068.51-73,245.01-30,422.71

Finding the Fourth Proportional to 53,068.51, 73,245.01 and 30,422.71

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Solution

The fourth proportional to 53,068.51, 73,245.01 and 30,422.71 is: 41,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,068.51 : 73,245.01 = 30,422.71 : x
  2. Step 2: Convert to fraction form
    53,068.51/73,245.01 = 30,422.71/x
  3. Step 3: Cross multiply
    53,068.51x = 73,245.01 × 30,422.71
  4. Step 4: Simplify right side
    53,068.51x = 2,228,311,358.72
  5. Step 5: Solve for x
    x = 2,228,311,358.72/53,068.51
  6. Step 6: Final answer
    x = 41,989.33

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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.