Home / 35,982.59-53,973.50-12,289.86

Finding the Fourth Proportional to 35,982.59, 53,973.50 and 12,289.86

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Solution

The fourth proportional to 35,982.59, 53,973.50 and 12,289.86 is: 18,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.59 : 53,973.50 = 12,289.86 : x
  2. Step 2: Convert to fraction form
    35,982.59/53,973.50 = 12,289.86/x
  3. Step 3: Cross multiply
    35,982.59x = 53,973.50 × 12,289.86
  4. Step 4: Simplify right side
    35,982.59x = 663,326,758.71
  5. Step 5: Solve for x
    x = 663,326,758.71/35,982.59
  6. Step 6: Final answer
    x = 18,434.66

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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.