Home / 57,701.10-86,590.35-20,261.10

Finding the Fourth Proportional to 57,701.10, 86,590.35 and 20,261.10

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Solution

The fourth proportional to 57,701.10, 86,590.35 and 20,261.10 is: 30,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.10 : 86,590.35 = 20,261.10 : x
  2. Step 2: Convert to fraction form
    57,701.10/86,590.35 = 20,261.10/x
  3. Step 3: Cross multiply
    57,701.10x = 86,590.35 × 20,261.10
  4. Step 4: Simplify right side
    57,701.10x = 1,754,415,740.39
  5. Step 5: Solve for x
    x = 1,754,415,740.39/57,701.10
  6. Step 6: Final answer
    x = 30,405.24

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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.