Home / 57,080.18-85,599.30-19,629.63

Finding the Fourth Proportional to 57,080.18, 85,599.30 and 19,629.63

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Solution

The fourth proportional to 57,080.18, 85,599.30 and 19,629.63 is: 29,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.18 : 85,599.30 = 19,629.63 : x
  2. Step 2: Convert to fraction form
    57,080.18/85,599.30 = 19,629.63/x
  3. Step 3: Cross multiply
    57,080.18x = 85,599.30 × 19,629.63
  4. Step 4: Simplify right side
    57,080.18x = 1,680,282,587.26
  5. Step 5: Solve for x
    x = 1,680,282,587.26/57,080.18
  6. Step 6: Final answer
    x = 29,437.24

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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.