Home / 30,068.41-45,101.68-14,284.80

Finding the Fourth Proportional to 30,068.41, 45,101.68 and 14,284.80

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Solution

The fourth proportional to 30,068.41, 45,101.68 and 14,284.80 is: 21,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.41 : 45,101.68 = 14,284.80 : x
  2. Step 2: Convert to fraction form
    30,068.41/45,101.68 = 14,284.80/x
  3. Step 3: Cross multiply
    30,068.41x = 45,101.68 × 14,284.80
  4. Step 4: Simplify right side
    30,068.41x = 644,268,478.46
  5. Step 5: Solve for x
    x = 644,268,478.46/30,068.41
  6. Step 6: Final answer
    x = 21,426.76

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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.