Home / 32,943.60-49,415.40-20,477.70

Finding the Fourth Proportional to 32,943.60, 49,415.40 and 20,477.70

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Solution

The fourth proportional to 32,943.60, 49,415.40 and 20,477.70 is: 30,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,943.60 : 49,415.40 = 20,477.70 : x
  2. Step 2: Convert to fraction form
    32,943.60/49,415.40 = 20,477.70/x
  3. Step 3: Cross multiply
    32,943.60x = 49,415.40 × 20,477.70
  4. Step 4: Simplify right side
    32,943.60x = 1,011,913,736.58
  5. Step 5: Solve for x
    x = 1,011,913,736.58/32,943.60
  6. Step 6: Final answer
    x = 30,716.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.