Home / 34,723.15-47,917.74-18,807.46

Finding the Fourth Proportional to 34,723.15, 47,917.74 and 18,807.46

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Solution

The fourth proportional to 34,723.15, 47,917.74 and 18,807.46 is: 25,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.15 : 47,917.74 = 18,807.46 : x
  2. Step 2: Convert to fraction form
    34,723.15/47,917.74 = 18,807.46/x
  3. Step 3: Cross multiply
    34,723.15x = 47,917.74 × 18,807.46
  4. Step 4: Simplify right side
    34,723.15x = 901,210,978.34
  5. Step 5: Solve for x
    x = 901,210,978.34/34,723.15
  6. Step 6: Final answer
    x = 25,954.18

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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.