Home / 35,020.12-48,319.14-21,404.68

Finding the Fourth Proportional to 35,020.12, 48,319.14 and 21,404.68

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Solution

The fourth proportional to 35,020.12, 48,319.14 and 21,404.68 is: 29,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,020.12 : 48,319.14 = 21,404.68 : x
  2. Step 2: Convert to fraction form
    35,020.12/48,319.14 = 21,404.68/x
  3. Step 3: Cross multiply
    35,020.12x = 48,319.14 × 21,404.68
  4. Step 4: Simplify right side
    35,020.12x = 1,034,255,729.58
  5. Step 5: Solve for x
    x = 1,034,255,729.58/35,020.12
  6. Step 6: Final answer
    x = 29,533.19

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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.