Home / 20,501.02-30,751.65-5,709.97

Finding the Fourth Proportional to 20,501.02, 30,751.65 and 5,709.97

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Solution

The fourth proportional to 20,501.02, 30,751.65 and 5,709.97 is: 8,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.02 : 30,751.65 = 5,709.97 : x
  2. Step 2: Convert to fraction form
    20,501.02/30,751.65 = 5,709.97/x
  3. Step 3: Cross multiply
    20,501.02x = 30,751.65 × 5,709.97
  4. Step 4: Simplify right side
    20,501.02x = 175,590,950.90
  5. Step 5: Solve for x
    x = 175,590,950.90/20,501.02
  6. Step 6: Final answer
    x = 8,564.98

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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.