Home / 46,720.50-70,112.34-20,410.08

Finding the Fourth Proportional to 46,720.50, 70,112.34 and 20,410.08

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Solution

The fourth proportional to 46,720.50, 70,112.34 and 20,410.08 is: 30,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,720.50 : 70,112.34 = 20,410.08 : x
  2. Step 2: Convert to fraction form
    46,720.50/70,112.34 = 20,410.08/x
  3. Step 3: Cross multiply
    46,720.50x = 70,112.34 × 20,410.08
  4. Step 4: Simplify right side
    46,720.50x = 1,430,998,468.39
  5. Step 5: Solve for x
    x = 1,430,998,468.39/46,720.50
  6. Step 6: Final answer
    x = 30,628.92

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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.