Home / 31,014.72-46,522.10-7,641.16

Finding the Fourth Proportional to 31,014.72, 46,522.10 and 7,641.16

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Solution

The fourth proportional to 31,014.72, 46,522.10 and 7,641.16 is: 11,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.72 : 46,522.10 = 7,641.16 : x
  2. Step 2: Convert to fraction form
    31,014.72/46,522.10 = 7,641.16/x
  3. Step 3: Cross multiply
    31,014.72x = 46,522.10 × 7,641.16
  4. Step 4: Simplify right side
    31,014.72x = 355,482,712.43
  5. Step 5: Solve for x
    x = 355,482,712.43/31,014.72
  6. Step 6: Final answer
    x = 11,461.74

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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.