Home / 38,788.86-53,528.49-21,793.55

Finding the Fourth Proportional to 38,788.86, 53,528.49 and 21,793.55

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Solution

The fourth proportional to 38,788.86, 53,528.49 and 21,793.55 is: 30,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.86 : 53,528.49 = 21,793.55 : x
  2. Step 2: Convert to fraction form
    38,788.86/53,528.49 = 21,793.55/x
  3. Step 3: Cross multiply
    38,788.86x = 53,528.49 × 21,793.55
  4. Step 4: Simplify right side
    38,788.86x = 1,166,575,555.60
  5. Step 5: Solve for x
    x = 1,166,575,555.60/38,788.86
  6. Step 6: Final answer
    x = 30,075.02

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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.