Home / 30,983.22-42,756.70-17,554.45

Finding the Fourth Proportional to 30,983.22, 42,756.70 and 17,554.45

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Solution

The fourth proportional to 30,983.22, 42,756.70 and 17,554.45 is: 24,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.22 : 42,756.70 = 17,554.45 : x
  2. Step 2: Convert to fraction form
    30,983.22/42,756.70 = 17,554.45/x
  3. Step 3: Cross multiply
    30,983.22x = 42,756.70 × 17,554.45
  4. Step 4: Simplify right side
    30,983.22x = 750,570,352.32
  5. Step 5: Solve for x
    x = 750,570,352.32/30,983.22
  6. Step 6: Final answer
    x = 24,225.06

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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.