Home / 53,512.12-73,840.36-30,858.52

Finding the Fourth Proportional to 53,512.12, 73,840.36 and 30,858.52

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Solution

The fourth proportional to 53,512.12, 73,840.36 and 30,858.52 is: 42,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.12 : 73,840.36 = 30,858.52 : x
  2. Step 2: Convert to fraction form
    53,512.12/73,840.36 = 30,858.52/x
  3. Step 3: Cross multiply
    53,512.12x = 73,840.36 × 30,858.52
  4. Step 4: Simplify right side
    53,512.12x = 2,278,604,225.87
  5. Step 5: Solve for x
    x = 2,278,604,225.87/53,512.12
  6. Step 6: Final answer
    x = 42,581.09

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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.