Home / 35,654.60-53,430.86-20,039.42

Finding the Fourth Proportional to 35,654.60, 53,430.86 and 20,039.42

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Solution

The fourth proportional to 35,654.60, 53,430.86 and 20,039.42 is: 30,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.60 : 53,430.86 = 20,039.42 : x
  2. Step 2: Convert to fraction form
    35,654.60/53,430.86 = 20,039.42/x
  3. Step 3: Cross multiply
    35,654.60x = 53,430.86 × 20,039.42
  4. Step 4: Simplify right side
    35,654.60x = 1,070,723,077.15
  5. Step 5: Solve for x
    x = 1,070,723,077.15/35,654.60
  6. Step 6: Final answer
    x = 30,030.44

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1.5x scale

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.