Home / 33,688.80-50,477.58-20,501.28

Finding the Fourth Proportional to 33,688.80, 50,477.58 and 20,501.28

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Solution

The fourth proportional to 33,688.80, 50,477.58 and 20,501.28 is: 30,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.80 : 50,477.58 = 20,501.28 : x
  2. Step 2: Convert to fraction form
    33,688.80/50,477.58 = 20,501.28/x
  3. Step 3: Cross multiply
    33,688.80x = 50,477.58 × 20,501.28
  4. Step 4: Simplify right side
    33,688.80x = 1,034,855,001.30
  5. Step 5: Solve for x
    x = 1,034,855,001.30/33,688.80
  6. Step 6: Final answer
    x = 30,718.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.