Home / 31,145.85-46,718.75-10,369.35

Finding the Fourth Proportional to 31,145.85, 46,718.75 and 10,369.35

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Solution

The fourth proportional to 31,145.85, 46,718.75 and 10,369.35 is: 15,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145.85 : 46,718.75 = 10,369.35 : x
  2. Step 2: Convert to fraction form
    31,145.85/46,718.75 = 10,369.35/x
  3. Step 3: Cross multiply
    31,145.85x = 46,718.75 × 10,369.35
  4. Step 4: Simplify right side
    31,145.85x = 484,443,070.31
  5. Step 5: Solve for x
    x = 484,443,070.31/31,145.85
  6. Step 6: Final answer
    x = 15,554.02

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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.