Home / 50,788.80-70,088.48-28,432.96

Finding the Fourth Proportional to 50,788.80, 70,088.48 and 28,432.96

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Solution

The fourth proportional to 50,788.80, 70,088.48 and 28,432.96 is: 39,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,788.80 : 70,088.48 = 28,432.96 : x
  2. Step 2: Convert to fraction form
    50,788.80/70,088.48 = 28,432.96/x
  3. Step 3: Cross multiply
    50,788.80x = 70,088.48 × 28,432.96
  4. Step 4: Simplify right side
    50,788.80x = 1,992,822,948.30
  5. Step 5: Solve for x
    x = 1,992,822,948.30/50,788.80
  6. Step 6: Final answer
    x = 39,237.45

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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.