Home / 36,664.64-54,985.95-19,124.90

Finding the Fourth Proportional to 36,664.64, 54,985.95 and 19,124.90

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Solution

The fourth proportional to 36,664.64, 54,985.95 and 19,124.90 is: 28,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,664.64 : 54,985.95 = 19,124.90 : x
  2. Step 2: Convert to fraction form
    36,664.64/54,985.95 = 19,124.90/x
  3. Step 3: Cross multiply
    36,664.64x = 54,985.95 × 19,124.90
  4. Step 4: Simplify right side
    36,664.64x = 1,051,600,520.23
  5. Step 5: Solve for x
    x = 1,051,600,520.23/36,664.64
  6. Step 6: Final answer
    x = 28,681.60

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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.