Home / 30,187.38-45,282.24-14,384.28

Finding the Fourth Proportional to 30,187.38, 45,282.24 and 14,384.28

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Solution

The fourth proportional to 30,187.38, 45,282.24 and 14,384.28 is: 21,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.38 : 45,282.24 = 14,384.28 : x
  2. Step 2: Convert to fraction form
    30,187.38/45,282.24 = 14,384.28/x
  3. Step 3: Cross multiply
    30,187.38x = 45,282.24 × 14,384.28
  4. Step 4: Simplify right side
    30,187.38x = 651,352,419.19
  5. Step 5: Solve for x
    x = 651,352,419.19/30,187.38
  6. Step 6: Final answer
    x = 21,576.98

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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.