Home / 45,816.68-68,682.74-31,783.34

Finding the Fourth Proportional to 45,816.68, 68,682.74 and 31,783.34

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Solution

The fourth proportional to 45,816.68, 68,682.74 and 31,783.34 is: 47,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.68 : 68,682.74 = 31,783.34 : x
  2. Step 2: Convert to fraction form
    45,816.68/68,682.74 = 31,783.34/x
  3. Step 3: Cross multiply
    45,816.68x = 68,682.74 × 31,783.34
  4. Step 4: Simplify right side
    45,816.68x = 2,182,966,890.34
  5. Step 5: Solve for x
    x = 2,182,966,890.34/45,816.68
  6. Step 6: Final answer
    x = 47,645.68

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1.5x scale

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.