Home / 34,889.68-48,146.70-19,783.72

Finding the Fourth Proportional to 34,889.68, 48,146.70 and 19,783.72

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Solution

The fourth proportional to 34,889.68, 48,146.70 and 19,783.72 is: 27,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.68 : 48,146.70 = 19,783.72 : x
  2. Step 2: Convert to fraction form
    34,889.68/48,146.70 = 19,783.72/x
  3. Step 3: Cross multiply
    34,889.68x = 48,146.70 × 19,783.72
  4. Step 4: Simplify right side
    34,889.68x = 952,520,831.72
  5. Step 5: Solve for x
    x = 952,520,831.72/34,889.68
  6. Step 6: Final answer
    x = 27,300.93

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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.