Home / 30,928.23-42,682.95-17,500.86

Finding the Fourth Proportional to 30,928.23, 42,682.95 and 17,500.86

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Solution

The fourth proportional to 30,928.23, 42,682.95 and 17,500.86 is: 24,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.23 : 42,682.95 = 17,500.86 : x
  2. Step 2: Convert to fraction form
    30,928.23/42,682.95 = 17,500.86/x
  3. Step 3: Cross multiply
    30,928.23x = 42,682.95 × 17,500.86
  4. Step 4: Simplify right side
    30,928.23x = 746,988,332.34
  5. Step 5: Solve for x
    x = 746,988,332.34/30,928.23
  6. Step 6: Final answer
    x = 24,152.31

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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.