Home / 30,004.96-41,398.08-19,400.80

Finding the Fourth Proportional to 30,004.96, 41,398.08 and 19,400.80

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Solution

The fourth proportional to 30,004.96, 41,398.08 and 19,400.80 is: 26,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.96 : 41,398.08 = 19,400.80 : x
  2. Step 2: Convert to fraction form
    30,004.96/41,398.08 = 19,400.80/x
  3. Step 3: Cross multiply
    30,004.96x = 41,398.08 × 19,400.80
  4. Step 4: Simplify right side
    30,004.96x = 803,155,870.46
  5. Step 5: Solve for x
    x = 803,155,870.46/30,004.96
  6. Step 6: Final answer
    x = 26,767.44

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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.