Home / 29,618.81-40,870.93-17,680.53

Finding the Fourth Proportional to 29,618.81, 40,870.93 and 17,680.53

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Solution

The fourth proportional to 29,618.81, 40,870.93 and 17,680.53 is: 24,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.81 : 40,870.93 = 17,680.53 : x
  2. Step 2: Convert to fraction form
    29,618.81/40,870.93 = 17,680.53/x
  3. Step 3: Cross multiply
    29,618.81x = 40,870.93 × 17,680.53
  4. Step 4: Simplify right side
    29,618.81x = 722,619,616.31
  5. Step 5: Solve for x
    x = 722,619,616.31/29,618.81
  6. Step 6: Final answer
    x = 24,397.32

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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.