Home / 34,135.60-47,107.02-19,985.62

Finding the Fourth Proportional to 34,135.60, 47,107.02 and 19,985.62

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Solution

The fourth proportional to 34,135.60, 47,107.02 and 19,985.62 is: 27,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.60 : 47,107.02 = 19,985.62 : x
  2. Step 2: Convert to fraction form
    34,135.60/47,107.02 = 19,985.62/x
  3. Step 3: Cross multiply
    34,135.60x = 47,107.02 × 19,985.62
  4. Step 4: Simplify right side
    34,135.60x = 941,463,001.05
  5. Step 5: Solve for x
    x = 941,463,001.05/34,135.60
  6. Step 6: Final answer
    x = 27,580.09

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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.