Home / 31,577.76-43,579.68-30,596.22

Finding the Fourth Proportional to 31,577.76, 43,579.68 and 30,596.22

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Solution

The fourth proportional to 31,577.76, 43,579.68 and 30,596.22 is: 42,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.76 : 43,579.68 = 30,596.22 : x
  2. Step 2: Convert to fraction form
    31,577.76/43,579.68 = 30,596.22/x
  3. Step 3: Cross multiply
    31,577.76x = 43,579.68 × 30,596.22
  4. Step 4: Simplify right side
    31,577.76x = 1,333,373,476.81
  5. Step 5: Solve for x
    x = 1,333,373,476.81/31,577.76
  6. Step 6: Final answer
    x = 42,225.08

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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.