Home / 35,741.16-49,329.14-20,631.69

Finding the Fourth Proportional to 35,741.16, 49,329.14 and 20,631.69

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Solution

The fourth proportional to 35,741.16, 49,329.14 and 20,631.69 is: 28,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,741.16 : 49,329.14 = 20,631.69 : x
  2. Step 2: Convert to fraction form
    35,741.16/49,329.14 = 20,631.69/x
  3. Step 3: Cross multiply
    35,741.16x = 49,329.14 × 20,631.69
  4. Step 4: Simplify right side
    35,741.16x = 1,017,743,421.29
  5. Step 5: Solve for x
    x = 1,017,743,421.29/35,741.16
  6. Step 6: Final answer
    x = 28,475.39

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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.