Home / 53,423.25-73,689.44-42,074.34

Finding the Fourth Proportional to 53,423.25, 73,689.44 and 42,074.34

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Solution

The fourth proportional to 53,423.25, 73,689.44 and 42,074.34 is: 58,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423.25 : 73,689.44 = 42,074.34 : x
  2. Step 2: Convert to fraction form
    53,423.25/73,689.44 = 42,074.34/x
  3. Step 3: Cross multiply
    53,423.25x = 73,689.44 × 42,074.34
  4. Step 4: Simplify right side
    53,423.25x = 3,100,434,552.97
  5. Step 5: Solve for x
    x = 3,100,434,552.97/53,423.25
  6. Step 6: Final answer
    x = 58,035.30

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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.