Home / 32,130.32-47,942.26-28,622.48

Finding the Fourth Proportional to 32,130.32, 47,942.26 and 28,622.48

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Solution

The fourth proportional to 32,130.32, 47,942.26 and 28,622.48 is: 42,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.32 : 47,942.26 = 28,622.48 : x
  2. Step 2: Convert to fraction form
    32,130.32/47,942.26 = 28,622.48/x
  3. Step 3: Cross multiply
    32,130.32x = 47,942.26 × 28,622.48
  4. Step 4: Simplify right side
    32,130.32x = 1,372,226,378.00
  5. Step 5: Solve for x
    x = 1,372,226,378.00/32,130.32
  6. Step 6: Final answer
    x = 42,708.15

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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.