Home / 34,208.96-47,208.30-20,061.68

Finding the Fourth Proportional to 34,208.96, 47,208.30 and 20,061.68

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Solution

The fourth proportional to 34,208.96, 47,208.30 and 20,061.68 is: 27,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,208.96 : 47,208.30 = 20,061.68 : x
  2. Step 2: Convert to fraction form
    34,208.96/47,208.30 = 20,061.68/x
  3. Step 3: Cross multiply
    34,208.96x = 47,208.30 × 20,061.68
  4. Step 4: Simplify right side
    34,208.96x = 947,077,807.94
  5. Step 5: Solve for x
    x = 947,077,807.94/34,208.96
  6. Step 6: Final answer
    x = 27,685.08

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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.