Home / 39,851.08-55,009.40-26,426.83

Finding the Fourth Proportional to 39,851.08, 55,009.40 and 26,426.83

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Solution

The fourth proportional to 39,851.08, 55,009.40 and 26,426.83 is: 36,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.08 : 55,009.40 = 26,426.83 : x
  2. Step 2: Convert to fraction form
    39,851.08/55,009.40 = 26,426.83/x
  3. Step 3: Cross multiply
    39,851.08x = 55,009.40 × 26,426.83
  4. Step 4: Simplify right side
    39,851.08x = 1,453,724,062.20
  5. Step 5: Solve for x
    x = 1,453,724,062.20/39,851.08
  6. Step 6: Final answer
    x = 36,478.91

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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.