Home / 30,892.20-46,338.30-18,426.30

Finding the Fourth Proportional to 30,892.20, 46,338.30 and 18,426.30

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Solution

The fourth proportional to 30,892.20, 46,338.30 and 18,426.30 is: 27,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.20 : 46,338.30 = 18,426.30 : x
  2. Step 2: Convert to fraction form
    30,892.20/46,338.30 = 18,426.30/x
  3. Step 3: Cross multiply
    30,892.20x = 46,338.30 × 18,426.30
  4. Step 4: Simplify right side
    30,892.20x = 853,843,417.29
  5. Step 5: Solve for x
    x = 853,843,417.29/30,892.20
  6. Step 6: Final answer
    x = 27,639.45

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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.