Home / 49,728.02-74,590.20-16,447.28

Finding the Fourth Proportional to 49,728.02, 74,590.20 and 16,447.28

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Solution

The fourth proportional to 49,728.02, 74,590.20 and 16,447.28 is: 24,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.02 : 74,590.20 = 16,447.28 : x
  2. Step 2: Convert to fraction form
    49,728.02/74,590.20 = 16,447.28/x
  3. Step 3: Cross multiply
    49,728.02x = 74,590.20 × 16,447.28
  4. Step 4: Simplify right side
    49,728.02x = 1,226,805,904.66
  5. Step 5: Solve for x
    x = 1,226,805,904.66/49,728.02
  6. Step 6: Final answer
    x = 24,670.31

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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.