Home / 40,944.30-61,364.60-19,889.16

Finding the Fourth Proportional to 40,944.30, 61,364.60 and 19,889.16

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Solution

The fourth proportional to 40,944.30, 61,364.60 and 19,889.16 is: 29,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.30 : 61,364.60 = 19,889.16 : x
  2. Step 2: Convert to fraction form
    40,944.30/61,364.60 = 19,889.16/x
  3. Step 3: Cross multiply
    40,944.30x = 61,364.60 × 19,889.16
  4. Step 4: Simplify right side
    40,944.30x = 1,220,490,347.74
  5. Step 5: Solve for x
    x = 1,220,490,347.74/40,944.30
  6. Step 6: Final answer
    x = 29,808.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.