Home / 52,405.03-72,316.52-28,531.63

Finding the Fourth Proportional to 52,405.03, 72,316.52 and 28,531.63

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Solution

The fourth proportional to 52,405.03, 72,316.52 and 28,531.63 is: 39,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,405.03 : 72,316.52 = 28,531.63 : x
  2. Step 2: Convert to fraction form
    52,405.03/72,316.52 = 28,531.63/x
  3. Step 3: Cross multiply
    52,405.03x = 72,316.52 × 28,531.63
  4. Step 4: Simplify right side
    52,405.03x = 2,063,307,919.72
  5. Step 5: Solve for x
    x = 2,063,307,919.72/52,405.03
  6. Step 6: Final answer
    x = 39,372.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.