Home / 30,968.58-42,737.10-17,539.50

Finding the Fourth Proportional to 30,968.58, 42,737.10 and 17,539.50

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Solution

The fourth proportional to 30,968.58, 42,737.10 and 17,539.50 is: 24,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.58 : 42,737.10 = 17,539.50 : x
  2. Step 2: Convert to fraction form
    30,968.58/42,737.10 = 17,539.50/x
  3. Step 3: Cross multiply
    30,968.58x = 42,737.10 × 17,539.50
  4. Step 4: Simplify right side
    30,968.58x = 749,587,365.45
  5. Step 5: Solve for x
    x = 749,587,365.45/30,968.58
  6. Step 6: Final answer
    x = 24,204.77

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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.