Home / 39,490.79-58,930.56-35,285.09

Finding the Fourth Proportional to 39,490.79, 58,930.56 and 35,285.09

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Solution

The fourth proportional to 39,490.79, 58,930.56 and 35,285.09 is: 52,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.79 : 58,930.56 = 35,285.09 : x
  2. Step 2: Convert to fraction form
    39,490.79/58,930.56 = 35,285.09/x
  3. Step 3: Cross multiply
    39,490.79x = 58,930.56 × 35,285.09
  4. Step 4: Simplify right side
    39,490.79x = 2,079,369,818.70
  5. Step 5: Solve for x
    x = 2,079,369,818.70/39,490.79
  6. Step 6: Final answer
    x = 52,654.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.