Home / 29,985.69-44,942.72-13,953.59

Finding the Fourth Proportional to 29,985.69, 44,942.72 and 13,953.59

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Solution

The fourth proportional to 29,985.69, 44,942.72 and 13,953.59 is: 20,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.69 : 44,942.72 = 13,953.59 : x
  2. Step 2: Convert to fraction form
    29,985.69/44,942.72 = 13,953.59/x
  3. Step 3: Cross multiply
    29,985.69x = 44,942.72 × 13,953.59
  4. Step 4: Simplify right side
    29,985.69x = 627,112,406.55
  5. Step 5: Solve for x
    x = 627,112,406.55/29,985.69
  6. Step 6: Final answer
    x = 20,913.72

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1.5x scale

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.