Home / 31,400.16-43,334.63-17,975.62

Finding the Fourth Proportional to 31,400.16, 43,334.63 and 17,975.62

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Solution

The fourth proportional to 31,400.16, 43,334.63 and 17,975.62 is: 24,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.16 : 43,334.63 = 17,975.62 : x
  2. Step 2: Convert to fraction form
    31,400.16/43,334.63 = 17,975.62/x
  3. Step 3: Cross multiply
    31,400.16x = 43,334.63 × 17,975.62
  4. Step 4: Simplify right side
    31,400.16x = 778,966,841.72
  5. Step 5: Solve for x
    x = 778,966,841.72/31,400.16
  6. Step 6: Final answer
    x = 24,807.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.