Home / 32,868.40-49,302.60-21,787.60

Finding the Fourth Proportional to 32,868.40, 49,302.60 and 21,787.60

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Solution

The fourth proportional to 32,868.40, 49,302.60 and 21,787.60 is: 32,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.40 : 49,302.60 = 21,787.60 : x
  2. Step 2: Convert to fraction form
    32,868.40/49,302.60 = 21,787.60/x
  3. Step 3: Cross multiply
    32,868.40x = 49,302.60 × 21,787.60
  4. Step 4: Simplify right side
    32,868.40x = 1,074,185,327.76
  5. Step 5: Solve for x
    x = 1,074,185,327.76/32,868.40
  6. Step 6: Final answer
    x = 32,681.40

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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.