Home / 32,918.36-45,423.78-19,490.20

Finding the Fourth Proportional to 32,918.36, 45,423.78 and 19,490.20

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Solution

The fourth proportional to 32,918.36, 45,423.78 and 19,490.20 is: 26,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.36 : 45,423.78 = 19,490.20 : x
  2. Step 2: Convert to fraction form
    32,918.36/45,423.78 = 19,490.20/x
  3. Step 3: Cross multiply
    32,918.36x = 45,423.78 × 19,490.20
  4. Step 4: Simplify right side
    32,918.36x = 885,318,556.96
  5. Step 5: Solve for x
    x = 885,318,556.96/32,918.36
  6. Step 6: Final answer
    x = 26,894.37

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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.