Home / 32,131.32-47,943.75-28,623.48

Finding the Fourth Proportional to 32,131.32, 47,943.75 and 28,623.48

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Solution

The fourth proportional to 32,131.32, 47,943.75 and 28,623.48 is: 42,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,131.32 : 47,943.75 = 28,623.48 : x
  2. Step 2: Convert to fraction form
    32,131.32/47,943.75 = 28,623.48/x
  3. Step 3: Cross multiply
    32,131.32x = 47,943.75 × 28,623.48
  4. Step 4: Simplify right side
    32,131.32x = 1,372,316,969.25
  5. Step 5: Solve for x
    x = 1,372,316,969.25/32,131.32
  6. Step 6: Final answer
    x = 42,709.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.