Home / 55,969.58-77,237.88-30,819.08

Finding the Fourth Proportional to 55,969.58, 77,237.88 and 30,819.08

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Solution

The fourth proportional to 55,969.58, 77,237.88 and 30,819.08 is: 42,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.58 : 77,237.88 = 30,819.08 : x
  2. Step 2: Convert to fraction form
    55,969.58/77,237.88 = 30,819.08/x
  3. Step 3: Cross multiply
    55,969.58x = 77,237.88 × 30,819.08
  4. Step 4: Simplify right side
    55,969.58x = 2,380,400,402.75
  5. Step 5: Solve for x
    x = 2,380,400,402.75/55,969.58
  6. Step 6: Final answer
    x = 42,530.25

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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.