Home / 39,851.08-55,009.40-26,426.82

Finding the Fourth Proportional to 39,851.08, 55,009.40 and 26,426.82

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Solution

The fourth proportional to 39,851.08, 55,009.40 and 26,426.82 is: 36,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.08 : 55,009.40 = 26,426.82 : x
  2. Step 2: Convert to fraction form
    39,851.08/55,009.40 = 26,426.82/x
  3. Step 3: Cross multiply
    39,851.08x = 55,009.40 × 26,426.82
  4. Step 4: Simplify right side
    39,851.08x = 1,453,723,512.11
  5. Step 5: Solve for x
    x = 1,453,723,512.11/39,851.08
  6. Step 6: Final answer
    x = 36,478.90

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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.