Home / 30,389.94-41,917.64-26,404.20

Finding the Fourth Proportional to 30,389.94, 41,917.64 and 26,404.20

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Solution

The fourth proportional to 30,389.94, 41,917.64 and 26,404.20 is: 36,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.94 : 41,917.64 = 26,404.20 : x
  2. Step 2: Convert to fraction form
    30,389.94/41,917.64 = 26,404.20/x
  3. Step 3: Cross multiply
    30,389.94x = 41,917.64 × 26,404.20
  4. Step 4: Simplify right side
    30,389.94x = 1,106,801,618.07
  5. Step 5: Solve for x
    x = 1,106,801,618.07/30,389.94
  6. Step 6: Final answer
    x = 36,420.00

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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.