Home / 32,616.96-45,005.67-20,510.70

Finding the Fourth Proportional to 32,616.96, 45,005.67 and 20,510.70

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Solution

The fourth proportional to 32,616.96, 45,005.67 and 20,510.70 is: 28,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,616.96 : 45,005.67 = 20,510.70 : x
  2. Step 2: Convert to fraction form
    32,616.96/45,005.67 = 20,510.70/x
  3. Step 3: Cross multiply
    32,616.96x = 45,005.67 × 20,510.70
  4. Step 4: Simplify right side
    32,616.96x = 923,097,795.67
  5. Step 5: Solve for x
    x = 923,097,795.67/32,616.96
  6. Step 6: Final answer
    x = 28,301.16

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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.