Home / 51,079.04-76,602.06-18,616.62

Finding the Fourth Proportional to 51,079.04, 76,602.06 and 18,616.62

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Solution

The fourth proportional to 51,079.04, 76,602.06 and 18,616.62 is: 27,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.04 : 76,602.06 = 18,616.62 : x
  2. Step 2: Convert to fraction form
    51,079.04/76,602.06 = 18,616.62/x
  3. Step 3: Cross multiply
    51,079.04x = 76,602.06 × 18,616.62
  4. Step 4: Simplify right side
    51,079.04x = 1,426,071,442.24
  5. Step 5: Solve for x
    x = 1,426,071,442.24/51,079.04
  6. Step 6: Final answer
    x = 27,918.92

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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.