Home / 49,054.08-67,686.47-28,908.22

Finding the Fourth Proportional to 49,054.08, 67,686.47 and 28,908.22

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Solution

The fourth proportional to 49,054.08, 67,686.47 and 28,908.22 is: 39,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,054.08 : 67,686.47 = 28,908.22 : x
  2. Step 2: Convert to fraction form
    49,054.08/67,686.47 = 28,908.22/x
  3. Step 3: Cross multiply
    49,054.08x = 67,686.47 × 28,908.22
  4. Step 4: Simplify right side
    49,054.08x = 1,956,695,365.78
  5. Step 5: Solve for x
    x = 1,956,695,365.78/49,054.08
  6. Step 6: Final answer
    x = 39,888.53

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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.