Home / 30,847.32-42,569.60-16,700.46

Finding the Fourth Proportional to 30,847.32, 42,569.60 and 16,700.46

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Solution

The fourth proportional to 30,847.32, 42,569.60 and 16,700.46 is: 23,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.32 : 42,569.60 = 16,700.46 : x
  2. Step 2: Convert to fraction form
    30,847.32/42,569.60 = 16,700.46/x
  3. Step 3: Cross multiply
    30,847.32x = 42,569.60 × 16,700.46
  4. Step 4: Simplify right side
    30,847.32x = 710,931,902.02
  5. Step 5: Solve for x
    x = 710,931,902.02/30,847.32
  6. Step 6: Final answer
    x = 23,046.80

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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.