Home / 35,756.12-49,336.26-21,609.76

Finding the Fourth Proportional to 35,756.12, 49,336.26 and 21,609.76

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Solution

The fourth proportional to 35,756.12, 49,336.26 and 21,609.76 is: 29,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.12 : 49,336.26 = 21,609.76 : x
  2. Step 2: Convert to fraction form
    35,756.12/49,336.26 = 21,609.76/x
  3. Step 3: Cross multiply
    35,756.12x = 49,336.26 × 21,609.76
  4. Step 4: Simplify right side
    35,756.12x = 1,066,144,737.90
  5. Step 5: Solve for x
    x = 1,066,144,737.90/35,756.12
  6. Step 6: Final answer
    x = 29,817.13

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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.