Home / 30,792.02-42,492.95-16,644.86

Finding the Fourth Proportional to 30,792.02, 42,492.95 and 16,644.86

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Solution

The fourth proportional to 30,792.02, 42,492.95 and 16,644.86 is: 22,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.02 : 42,492.95 = 16,644.86 : x
  2. Step 2: Convert to fraction form
    30,792.02/42,492.95 = 16,644.86/x
  3. Step 3: Cross multiply
    30,792.02x = 42,492.95 × 16,644.86
  4. Step 4: Simplify right side
    30,792.02x = 707,288,908.05
  5. Step 5: Solve for x
    x = 707,288,908.05/30,792.02
  6. Step 6: Final answer
    x = 22,969.88

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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.