Home / 31,317.03-46,975.10-7,943.48

Finding the Fourth Proportional to 31,317.03, 46,975.10 and 7,943.48

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Solution

The fourth proportional to 31,317.03, 46,975.10 and 7,943.48 is: 11,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.03 : 46,975.10 = 7,943.48 : x
  2. Step 2: Convert to fraction form
    31,317.03/46,975.10 = 7,943.48/x
  3. Step 3: Cross multiply
    31,317.03x = 46,975.10 × 7,943.48
  4. Step 4: Simplify right side
    31,317.03x = 373,145,492.76
  5. Step 5: Solve for x
    x = 373,145,492.76/31,317.03
  6. Step 6: Final answer
    x = 11,915.10

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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.