Home / 35,767.87-49,350.88-21,430.03

Finding the Fourth Proportional to 35,767.87, 49,350.88 and 21,430.03

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Solution

The fourth proportional to 35,767.87, 49,350.88 and 21,430.03 is: 29,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,767.87 : 49,350.88 = 21,430.03 : x
  2. Step 2: Convert to fraction form
    35,767.87/49,350.88 = 21,430.03/x
  3. Step 3: Cross multiply
    35,767.87x = 49,350.88 × 21,430.03
  4. Step 4: Simplify right side
    35,767.87x = 1,057,590,838.93
  5. Step 5: Solve for x
    x = 1,057,590,838.93/35,767.87
  6. Step 6: Final answer
    x = 29,568.18

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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.