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Finding the Fourth Proportional to 34,918.71, 48,187.71 and 19,003.08

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Solution

The fourth proportional to 34,918.71, 48,187.71 and 19,003.08 is: 26,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,918.71 : 48,187.71 = 19,003.08 : x
  2. Step 2: Convert to fraction form
    34,918.71/48,187.71 = 19,003.08/x
  3. Step 3: Cross multiply
    34,918.71x = 48,187.71 × 19,003.08
  4. Step 4: Simplify right side
    34,918.71x = 915,714,908.15
  5. Step 5: Solve for x
    x = 915,714,908.15/34,918.71
  6. Step 6: Final answer
    x = 26,224.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.