Home / 30,798.96-42,502.02-17,370.24

Finding the Fourth Proportional to 30,798.96, 42,502.02 and 17,370.24

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Solution

The fourth proportional to 30,798.96, 42,502.02 and 17,370.24 is: 23,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.96 : 42,502.02 = 17,370.24 : x
  2. Step 2: Convert to fraction form
    30,798.96/42,502.02 = 17,370.24/x
  3. Step 3: Cross multiply
    30,798.96x = 42,502.02 × 17,370.24
  4. Step 4: Simplify right side
    30,798.96x = 738,270,287.88
  5. Step 5: Solve for x
    x = 738,270,287.88/30,798.96
  6. Step 6: Final answer
    x = 23,970.62

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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.