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Finding the Fourth Proportional to 35,695.70, 53,428.35 and 32,930.90

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Solution

The fourth proportional to 35,695.70, 53,428.35 and 32,930.90 is: 49,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.70 : 53,428.35 = 32,930.90 : x
  2. Step 2: Convert to fraction form
    35,695.70/53,428.35 = 32,930.90/x
  3. Step 3: Cross multiply
    35,695.70x = 53,428.35 × 32,930.90
  4. Step 4: Simplify right side
    35,695.70x = 1,759,443,651.02
  5. Step 5: Solve for x
    x = 1,759,443,651.02/35,695.70
  6. Step 6: Final answer
    x = 49,290.07

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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.