Home / 31,485.87-47,237.45-9,299.25

Finding the Fourth Proportional to 31,485.87, 47,237.45 and 9,299.25

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Solution

The fourth proportional to 31,485.87, 47,237.45 and 9,299.25 is: 13,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.87 : 47,237.45 = 9,299.25 : x
  2. Step 2: Convert to fraction form
    31,485.87/47,237.45 = 9,299.25/x
  3. Step 3: Cross multiply
    31,485.87x = 47,237.45 × 9,299.25
  4. Step 4: Simplify right side
    31,485.87x = 439,272,810.42
  5. Step 5: Solve for x
    x = 439,272,810.42/31,485.87
  6. Step 6: Final answer
    x = 13,951.43

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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.