Home / 35,973.20-53,972.72-12,603.04

Finding the Fourth Proportional to 35,973.20, 53,972.72 and 12,603.04

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Solution

The fourth proportional to 35,973.20, 53,972.72 and 12,603.04 is: 18,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.20 : 53,972.72 = 12,603.04 : x
  2. Step 2: Convert to fraction form
    35,973.20/53,972.72 = 12,603.04/x
  3. Step 3: Cross multiply
    35,973.20x = 53,972.72 × 12,603.04
  4. Step 4: Simplify right side
    35,973.20x = 680,220,349.07
  5. Step 5: Solve for x
    x = 680,220,349.07/35,973.20
  6. Step 6: Final answer
    x = 18,909.09

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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.