Home / 30,808.20-46,216.08-13,274.40

Finding the Fourth Proportional to 30,808.20, 46,216.08 and 13,274.40

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Solution

The fourth proportional to 30,808.20, 46,216.08 and 13,274.40 is: 19,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.20 : 46,216.08 = 13,274.40 : x
  2. Step 2: Convert to fraction form
    30,808.20/46,216.08 = 13,274.40/x
  3. Step 3: Cross multiply
    30,808.20x = 46,216.08 × 13,274.40
  4. Step 4: Simplify right side
    30,808.20x = 613,490,732.35
  5. Step 5: Solve for x
    x = 613,490,732.35/30,808.20
  6. Step 6: Final answer
    x = 19,913.23

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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.