Home / 30,937.50-42,688.80-17,504.46

Finding the Fourth Proportional to 30,937.50, 42,688.80 and 17,504.46

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Solution

The fourth proportional to 30,937.50, 42,688.80 and 17,504.46 is: 24,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.50 : 42,688.80 = 17,504.46 : x
  2. Step 2: Convert to fraction form
    30,937.50/42,688.80 = 17,504.46/x
  3. Step 3: Cross multiply
    30,937.50x = 42,688.80 × 17,504.46
  4. Step 4: Simplify right side
    30,937.50x = 747,244,392.05
  5. Step 5: Solve for x
    x = 747,244,392.05/30,937.50
  6. Step 6: Final answer
    x = 24,153.35

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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.