Home / 31,307.75-46,964.36-7,934.19

Finding the Fourth Proportional to 31,307.75, 46,964.36 and 7,934.19

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Solution

The fourth proportional to 31,307.75, 46,964.36 and 7,934.19 is: 11,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.75 : 46,964.36 = 7,934.19 : x
  2. Step 2: Convert to fraction form
    31,307.75/46,964.36 = 7,934.19/x
  3. Step 3: Cross multiply
    31,307.75x = 46,964.36 × 7,934.19
  4. Step 4: Simplify right side
    31,307.75x = 372,624,155.47
  5. Step 5: Solve for x
    x = 372,624,155.47/31,307.75
  6. Step 6: Final answer
    x = 11,901.98

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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.