Home / 47,265.94-70,915.38-20,989.18

Finding the Fourth Proportional to 47,265.94, 70,915.38 and 20,989.18

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Solution

The fourth proportional to 47,265.94, 70,915.38 and 20,989.18 is: 31,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,265.94 : 70,915.38 = 20,989.18 : x
  2. Step 2: Convert to fraction form
    47,265.94/70,915.38 = 20,989.18/x
  3. Step 3: Cross multiply
    47,265.94x = 70,915.38 × 20,989.18
  4. Step 4: Simplify right side
    47,265.94x = 1,488,455,675.59
  5. Step 5: Solve for x
    x = 1,488,455,675.59/47,265.94
  6. Step 6: Final answer
    x = 31,491.08

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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.