Home / 42,893.04-64,348.80-21,836.16

Finding the Fourth Proportional to 42,893.04, 64,348.80 and 21,836.16

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Solution

The fourth proportional to 42,893.04, 64,348.80 and 21,836.16 is: 32,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893.04 : 64,348.80 = 21,836.16 : x
  2. Step 2: Convert to fraction form
    42,893.04/64,348.80 = 21,836.16/x
  3. Step 3: Cross multiply
    42,893.04x = 64,348.80 × 21,836.16
  4. Step 4: Simplify right side
    42,893.04x = 1,405,130,692.61
  5. Step 5: Solve for x
    x = 1,405,130,692.61/42,893.04
  6. Step 6: Final answer
    x = 32,758.94

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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.