Home / 39,814.60-59,729.10-20,043.40

Finding the Fourth Proportional to 39,814.60, 59,729.10 and 20,043.40

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Solution

The fourth proportional to 39,814.60, 59,729.10 and 20,043.40 is: 30,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.60 : 59,729.10 = 20,043.40 : x
  2. Step 2: Convert to fraction form
    39,814.60/59,729.10 = 20,043.40/x
  3. Step 3: Cross multiply
    39,814.60x = 59,729.10 × 20,043.40
  4. Step 4: Simplify right side
    39,814.60x = 1,197,174,242.94
  5. Step 5: Solve for x
    x = 1,197,174,242.94/39,814.60
  6. Step 6: Final answer
    x = 30,068.72

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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.