Home / 38,707.68-53,421.54-22,793.60

Finding the Fourth Proportional to 38,707.68, 53,421.54 and 22,793.60

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Solution

The fourth proportional to 38,707.68, 53,421.54 and 22,793.60 is: 31,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.68 : 53,421.54 = 22,793.60 : x
  2. Step 2: Convert to fraction form
    38,707.68/53,421.54 = 22,793.60/x
  3. Step 3: Cross multiply
    38,707.68x = 53,421.54 × 22,793.60
  4. Step 4: Simplify right side
    38,707.68x = 1,217,669,214.14
  5. Step 5: Solve for x
    x = 1,217,669,214.14/38,707.68
  6. Step 6: Final answer
    x = 31,458.08

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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.