Home / 31,349.64-47,030.52-9,163.12

Finding the Fourth Proportional to 31,349.64, 47,030.52 and 9,163.12

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Solution

The fourth proportional to 31,349.64, 47,030.52 and 9,163.12 is: 13,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.64 : 47,030.52 = 9,163.12 : x
  2. Step 2: Convert to fraction form
    31,349.64/47,030.52 = 9,163.12/x
  3. Step 3: Cross multiply
    31,349.64x = 47,030.52 × 9,163.12
  4. Step 4: Simplify right side
    31,349.64x = 430,946,298.42
  5. Step 5: Solve for x
    x = 430,946,298.42/31,349.64
  6. Step 6: Final answer
    x = 13,746.45

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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.