Home / 34,869.02-48,114.24-20,520.32

Finding the Fourth Proportional to 34,869.02, 48,114.24 and 20,520.32

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Solution

The fourth proportional to 34,869.02, 48,114.24 and 20,520.32 is: 28,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.02 : 48,114.24 = 20,520.32 : x
  2. Step 2: Convert to fraction form
    34,869.02/48,114.24 = 20,520.32/x
  3. Step 3: Cross multiply
    34,869.02x = 48,114.24 × 20,520.32
  4. Step 4: Simplify right side
    34,869.02x = 987,319,601.36
  5. Step 5: Solve for x
    x = 987,319,601.36/34,869.02
  6. Step 6: Final answer
    x = 28,315.09

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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.