Home / 39,969.86-55,152.34-26,560.81

Finding the Fourth Proportional to 39,969.86, 55,152.34 and 26,560.81

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Solution

The fourth proportional to 39,969.86, 55,152.34 and 26,560.81 is: 36,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.86 : 55,152.34 = 26,560.81 : x
  2. Step 2: Convert to fraction form
    39,969.86/55,152.34 = 26,560.81/x
  3. Step 3: Cross multiply
    39,969.86x = 55,152.34 × 26,560.81
  4. Step 4: Simplify right side
    39,969.86x = 1,464,890,975.74
  5. Step 5: Solve for x
    x = 1,464,890,975.74/39,969.86
  6. Step 6: Final answer
    x = 36,649.89

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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.