Home / 43,358.60-65,036.89-19,985.04

Finding the Fourth Proportional to 43,358.60, 65,036.89 and 19,985.04

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Solution

The fourth proportional to 43,358.60, 65,036.89 and 19,985.04 is: 29,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.60 : 65,036.89 = 19,985.04 : x
  2. Step 2: Convert to fraction form
    43,358.60/65,036.89 = 19,985.04/x
  3. Step 3: Cross multiply
    43,358.60x = 65,036.89 × 19,985.04
  4. Step 4: Simplify right side
    43,358.60x = 1,299,764,798.16
  5. Step 5: Solve for x
    x = 1,299,764,798.16/43,358.60
  6. Step 6: Final answer
    x = 29,977.09

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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.