Home / 52,337.00-78,531.47-20,746.40

Finding the Fourth Proportional to 52,337.00, 78,531.47 and 20,746.40

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Solution

The fourth proportional to 52,337.00, 78,531.47 and 20,746.40 is: 31,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,337.00 : 78,531.47 = 20,746.40 : x
  2. Step 2: Convert to fraction form
    52,337.00/78,531.47 = 20,746.40/x
  3. Step 3: Cross multiply
    52,337.00x = 78,531.47 × 20,746.40
  4. Step 4: Simplify right side
    52,337.00x = 1,629,244,987.32
  5. Step 5: Solve for x
    x = 1,629,244,987.32/52,337.00
  6. Step 6: Final answer
    x = 31,129.89

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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.