Home / 30,798.10-42,500.76-17,369.10

Finding the Fourth Proportional to 30,798.10, 42,500.76 and 17,369.10

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Solution

The fourth proportional to 30,798.10, 42,500.76 and 17,369.10 is: 23,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.10 : 42,500.76 = 17,369.10 : x
  2. Step 2: Convert to fraction form
    30,798.10/42,500.76 = 17,369.10/x
  3. Step 3: Cross multiply
    30,798.10x = 42,500.76 × 17,369.10
  4. Step 4: Simplify right side
    30,798.10x = 738,199,950.52
  5. Step 5: Solve for x
    x = 738,199,950.52/30,798.10
  6. Step 6: Final answer
    x = 23,969.01

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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.