Home / 39,830.04-54,942.60-24,900.12

Finding the Fourth Proportional to 39,830.04, 54,942.60 and 24,900.12

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Solution

The fourth proportional to 39,830.04, 54,942.60 and 24,900.12 is: 34,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.04 : 54,942.60 = 24,900.12 : x
  2. Step 2: Convert to fraction form
    39,830.04/54,942.60 = 24,900.12/x
  3. Step 3: Cross multiply
    39,830.04x = 54,942.60 × 24,900.12
  4. Step 4: Simplify right side
    39,830.04x = 1,368,077,333.11
  5. Step 5: Solve for x
    x = 1,368,077,333.11/39,830.04
  6. Step 6: Final answer
    x = 34,347.88

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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.