Home / 61,217.80-91,846.54-30,031.18

Finding the Fourth Proportional to 61,217.80, 91,846.54 and 30,031.18

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Solution

The fourth proportional to 61,217.80, 91,846.54 and 30,031.18 is: 45,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,217.80 : 91,846.54 = 30,031.18 : x
  2. Step 2: Convert to fraction form
    61,217.80/91,846.54 = 30,031.18/x
  3. Step 3: Cross multiply
    61,217.80x = 91,846.54 × 30,031.18
  4. Step 4: Simplify right side
    61,217.80x = 2,758,259,975.12
  5. Step 5: Solve for x
    x = 2,758,259,975.12/61,217.80
  6. Step 6: Final answer
    x = 45,056.50

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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.