Home / 35,756.61-49,345.44-21,606.72

Finding the Fourth Proportional to 35,756.61, 49,345.44 and 21,606.72

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Solution

The fourth proportional to 35,756.61, 49,345.44 and 21,606.72 is: 29,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.61 : 49,345.44 = 21,606.72 : x
  2. Step 2: Convert to fraction form
    35,756.61/49,345.44 = 21,606.72/x
  3. Step 3: Cross multiply
    35,756.61x = 49,345.44 × 21,606.72
  4. Step 4: Simplify right side
    35,756.61x = 1,066,193,105.36
  5. Step 5: Solve for x
    x = 1,066,193,105.36/35,756.61
  6. Step 6: Final answer
    x = 29,818.07

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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.