Home / 32,623.32-45,047.76-20,707.80

Finding the Fourth Proportional to 32,623.32, 45,047.76 and 20,707.80

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Solution

The fourth proportional to 32,623.32, 45,047.76 and 20,707.80 is: 28,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,623.32 : 45,047.76 = 20,707.80 : x
  2. Step 2: Convert to fraction form
    32,623.32/45,047.76 = 20,707.80/x
  3. Step 3: Cross multiply
    32,623.32x = 45,047.76 × 20,707.80
  4. Step 4: Simplify right side
    32,623.32x = 932,840,004.53
  5. Step 5: Solve for x
    x = 932,840,004.53/32,623.32
  6. Step 6: Final answer
    x = 28,594.27

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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.