Home / 30,955.54-42,718.20-17,526.44

Finding the Fourth Proportional to 30,955.54, 42,718.20 and 17,526.44

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Solution

The fourth proportional to 30,955.54, 42,718.20 and 17,526.44 is: 24,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.54 : 42,718.20 = 17,526.44 : x
  2. Step 2: Convert to fraction form
    30,955.54/42,718.20 = 17,526.44/x
  3. Step 3: Cross multiply
    30,955.54x = 42,718.20 × 17,526.44
  4. Step 4: Simplify right side
    30,955.54x = 748,697,969.21
  5. Step 5: Solve for x
    x = 748,697,969.21/30,955.54
  6. Step 6: Final answer
    x = 24,186.24

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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.