Home / 34,788.02-48,008.30-20,640.96

Finding the Fourth Proportional to 34,788.02, 48,008.30 and 20,640.96

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Solution

The fourth proportional to 34,788.02, 48,008.30 and 20,640.96 is: 28,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.02 : 48,008.30 = 20,640.96 : x
  2. Step 2: Convert to fraction form
    34,788.02/48,008.30 = 20,640.96/x
  3. Step 3: Cross multiply
    34,788.02x = 48,008.30 × 20,640.96
  4. Step 4: Simplify right side
    34,788.02x = 990,937,296.76
  5. Step 5: Solve for x
    x = 990,937,296.76/34,788.02
  6. Step 6: Final answer
    x = 28,485.02

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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.