Home / 32,931.97-45,441.89-18,783.97

Finding the Fourth Proportional to 32,931.97, 45,441.89 and 18,783.97

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Solution

The fourth proportional to 32,931.97, 45,441.89 and 18,783.97 is: 25,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.97 : 45,441.89 = 18,783.97 : x
  2. Step 2: Convert to fraction form
    32,931.97/45,441.89 = 18,783.97/x
  3. Step 3: Cross multiply
    32,931.97x = 45,441.89 × 18,783.97
  4. Step 4: Simplify right side
    32,931.97x = 853,579,004.58
  5. Step 5: Solve for x
    x = 853,579,004.58/32,931.97
  6. Step 6: Final answer
    x = 25,919.46

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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.