Home / 36,124.40-54,089.40-28,283.60

Finding the Fourth Proportional to 36,124.40, 54,089.40 and 28,283.60

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Solution

The fourth proportional to 36,124.40, 54,089.40 and 28,283.60 is: 42,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.40 : 54,089.40 = 28,283.60 : x
  2. Step 2: Convert to fraction form
    36,124.40/54,089.40 = 28,283.60/x
  3. Step 3: Cross multiply
    36,124.40x = 54,089.40 × 28,283.60
  4. Step 4: Simplify right side
    36,124.40x = 1,529,842,953.84
  5. Step 5: Solve for x
    x = 1,529,842,953.84/36,124.40
  6. Step 6: Final answer
    x = 42,349.30

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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.