Home / 31,927.07-47,891.95-9,437.80

Finding the Fourth Proportional to 31,927.07, 47,891.95 and 9,437.80

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Solution

The fourth proportional to 31,927.07, 47,891.95 and 9,437.80 is: 14,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.07 : 47,891.95 = 9,437.80 : x
  2. Step 2: Convert to fraction form
    31,927.07/47,891.95 = 9,437.80/x
  3. Step 3: Cross multiply
    31,927.07x = 47,891.95 × 9,437.80
  4. Step 4: Simplify right side
    31,927.07x = 451,994,549.57
  5. Step 5: Solve for x
    x = 451,994,549.57/31,927.07
  6. Step 6: Final answer
    x = 14,157.09

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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.