Home / 34,915.95-48,180.10-20,574.85

Finding the Fourth Proportional to 34,915.95, 48,180.10 and 20,574.85

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Solution

The fourth proportional to 34,915.95, 48,180.10 and 20,574.85 is: 28,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.95 : 48,180.10 = 20,574.85 : x
  2. Step 2: Convert to fraction form
    34,915.95/48,180.10 = 20,574.85/x
  3. Step 3: Cross multiply
    34,915.95x = 48,180.10 × 20,574.85
  4. Step 4: Simplify right side
    34,915.95x = 991,298,330.49
  5. Step 5: Solve for x
    x = 991,298,330.49/34,915.95
  6. Step 6: Final answer
    x = 28,390.99

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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.