Home / 45,798.16-68,696.76-12,518.20

Finding the Fourth Proportional to 45,798.16, 68,696.76 and 12,518.20

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Solution

The fourth proportional to 45,798.16, 68,696.76 and 12,518.20 is: 18,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.16 : 68,696.76 = 12,518.20 : x
  2. Step 2: Convert to fraction form
    45,798.16/68,696.76 = 12,518.20/x
  3. Step 3: Cross multiply
    45,798.16x = 68,696.76 × 12,518.20
  4. Step 4: Simplify right side
    45,798.16x = 859,959,781.03
  5. Step 5: Solve for x
    x = 859,959,781.03/45,798.16
  6. Step 6: Final answer
    x = 18,777.17

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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.