Home / 31,240.08-46,860.12-7,868.34

Finding the Fourth Proportional to 31,240.08, 46,860.12 and 7,868.34

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Solution

The fourth proportional to 31,240.08, 46,860.12 and 7,868.34 is: 11,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,240.08 : 46,860.12 = 7,868.34 : x
  2. Step 2: Convert to fraction form
    31,240.08/46,860.12 = 7,868.34/x
  3. Step 3: Cross multiply
    31,240.08x = 46,860.12 × 7,868.34
  4. Step 4: Simplify right side
    31,240.08x = 368,711,356.60
  5. Step 5: Solve for x
    x = 368,711,356.60/31,240.08
  6. Step 6: Final answer
    x = 11,802.51

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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.