Home / 32,871.84-45,332.64-20,922.72

Finding the Fourth Proportional to 32,871.84, 45,332.64 and 20,922.72

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Solution

The fourth proportional to 32,871.84, 45,332.64 and 20,922.72 is: 28,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.84 : 45,332.64 = 20,922.72 : x
  2. Step 2: Convert to fraction form
    32,871.84/45,332.64 = 20,922.72/x
  3. Step 3: Cross multiply
    32,871.84x = 45,332.64 × 20,922.72
  4. Step 4: Simplify right side
    32,871.84x = 948,482,133.58
  5. Step 5: Solve for x
    x = 948,482,133.58/32,871.84
  6. Step 6: Final answer
    x = 28,853.94

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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.