Home / 31,417.64-47,125.80-9,230.48

Finding the Fourth Proportional to 31,417.64, 47,125.80 and 9,230.48

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Solution

The fourth proportional to 31,417.64, 47,125.80 and 9,230.48 is: 13,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417.64 : 47,125.80 = 9,230.48 : x
  2. Step 2: Convert to fraction form
    31,417.64/47,125.80 = 9,230.48/x
  3. Step 3: Cross multiply
    31,417.64x = 47,125.80 × 9,230.48
  4. Step 4: Simplify right side
    31,417.64x = 434,993,754.38
  5. Step 5: Solve for x
    x = 434,993,754.38/31,417.64
  6. Step 6: Final answer
    x = 13,845.53

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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.