Home / 49,520.16-74,302.02-19,995.66

Finding the Fourth Proportional to 49,520.16, 74,302.02 and 19,995.66

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Solution

The fourth proportional to 49,520.16, 74,302.02 and 19,995.66 is: 30,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.16 : 74,302.02 = 19,995.66 : x
  2. Step 2: Convert to fraction form
    49,520.16/74,302.02 = 19,995.66/x
  3. Step 3: Cross multiply
    49,520.16x = 74,302.02 × 19,995.66
  4. Step 4: Simplify right side
    49,520.16x = 1,485,717,929.23
  5. Step 5: Solve for x
    x = 1,485,717,929.23/49,520.16
  6. Step 6: Final answer
    x = 30,002.28

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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.