Home / 31,445.16-47,175.70-9,259.26

Finding the Fourth Proportional to 31,445.16, 47,175.70 and 9,259.26

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Solution

The fourth proportional to 31,445.16, 47,175.70 and 9,259.26 is: 13,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.16 : 47,175.70 = 9,259.26 : x
  2. Step 2: Convert to fraction form
    31,445.16/47,175.70 = 9,259.26/x
  3. Step 3: Cross multiply
    31,445.16x = 47,175.70 × 9,259.26
  4. Step 4: Simplify right side
    31,445.16x = 436,812,071.98
  5. Step 5: Solve for x
    x = 436,812,071.98/31,445.16
  6. Step 6: Final answer
    x = 13,891.23

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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.