Home / 52,336.30-72,242.64-31,115.46

Finding the Fourth Proportional to 52,336.30, 72,242.64 and 31,115.46

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Solution

The fourth proportional to 52,336.30, 72,242.64 and 31,115.46 is: 42,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,336.30 : 72,242.64 = 31,115.46 : x
  2. Step 2: Convert to fraction form
    52,336.30/72,242.64 = 31,115.46/x
  3. Step 3: Cross multiply
    52,336.30x = 72,242.64 × 31,115.46
  4. Step 4: Simplify right side
    52,336.30x = 2,247,862,975.21
  5. Step 5: Solve for x
    x = 2,247,862,975.21/52,336.30
  6. Step 6: Final answer
    x = 42,950.36

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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.