Home / 49,695.10-74,542.65-16,420.30

Finding the Fourth Proportional to 49,695.10, 74,542.65 and 16,420.30

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Solution

The fourth proportional to 49,695.10, 74,542.65 and 16,420.30 is: 24,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,695.10 : 74,542.65 = 16,420.30 : x
  2. Step 2: Convert to fraction form
    49,695.10/74,542.65 = 16,420.30/x
  3. Step 3: Cross multiply
    49,695.10x = 74,542.65 × 16,420.30
  4. Step 4: Simplify right side
    49,695.10x = 1,224,012,675.80
  5. Step 5: Solve for x
    x = 1,224,012,675.80/49,695.10
  6. Step 6: Final answer
    x = 24,630.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.