Home / 35,970.20-49,637.04-20,051.57

Finding the Fourth Proportional to 35,970.20, 49,637.04 and 20,051.57

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Solution

The fourth proportional to 35,970.20, 49,637.04 and 20,051.57 is: 27,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.20 : 49,637.04 = 20,051.57 : x
  2. Step 2: Convert to fraction form
    35,970.20/49,637.04 = 20,051.57/x
  3. Step 3: Cross multiply
    35,970.20x = 49,637.04 × 20,051.57
  4. Step 4: Simplify right side
    35,970.20x = 995,300,333.97
  5. Step 5: Solve for x
    x = 995,300,333.97/35,970.20
  6. Step 6: Final answer
    x = 27,670.14

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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.