Home / 47,425.96-65,478.36-30,437.52

Finding the Fourth Proportional to 47,425.96, 65,478.36 and 30,437.52

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Solution

The fourth proportional to 47,425.96, 65,478.36 and 30,437.52 is: 42,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.96 : 65,478.36 = 30,437.52 : x
  2. Step 2: Convert to fraction form
    47,425.96/65,478.36 = 30,437.52/x
  3. Step 3: Cross multiply
    47,425.96x = 65,478.36 × 30,437.52
  4. Step 4: Simplify right side
    47,425.96x = 1,992,998,892.07
  5. Step 5: Solve for x
    x = 1,992,998,892.07/47,425.96
  6. Step 6: Final answer
    x = 42,023.37

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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.