Home / 30,798.11-42,502.84-17,369.08

Finding the Fourth Proportional to 30,798.11, 42,502.84 and 17,369.08

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Solution

The fourth proportional to 30,798.11, 42,502.84 and 17,369.08 is: 23,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.11 : 42,502.84 = 17,369.08 : x
  2. Step 2: Convert to fraction form
    30,798.11/42,502.84 = 17,369.08/x
  3. Step 3: Cross multiply
    30,798.11x = 42,502.84 × 17,369.08
  4. Step 4: Simplify right side
    30,798.11x = 738,235,078.51
  5. Step 5: Solve for x
    x = 738,235,078.51/30,798.11
  6. Step 6: Final answer
    x = 23,970.14

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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.