Home / 30,683.45-42,341.22-17,254.55

Finding the Fourth Proportional to 30,683.45, 42,341.22 and 17,254.55

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Solution

The fourth proportional to 30,683.45, 42,341.22 and 17,254.55 is: 23,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.45 : 42,341.22 = 17,254.55 : x
  2. Step 2: Convert to fraction form
    30,683.45/42,341.22 = 17,254.55/x
  3. Step 3: Cross multiply
    30,683.45x = 42,341.22 × 17,254.55
  4. Step 4: Simplify right side
    30,683.45x = 730,578,485.84
  5. Step 5: Solve for x
    x = 730,578,485.84/30,683.45
  6. Step 6: Final answer
    x = 23,810.18

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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.