Home / 37,628-56,434.80-18,903.02

Finding the Fourth Proportional to 37,628, 56,434.80 and 18,903.02

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Solution

The fourth proportional to 37,628, 56,434.80 and 18,903.02 is: 28,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628 : 56,434.80 = 18,903.02 : x
  2. Step 2: Convert to fraction form
    37,628/56,434.80 = 18,903.02/x
  3. Step 3: Cross multiply
    37,628x = 56,434.80 × 18,903.02
  4. Step 4: Simplify right side
    37,628x = 1,066,788,153.10
  5. Step 5: Solve for x
    x = 1,066,788,153.10/37,628
  6. Step 6: Final answer
    x = 28,350.91

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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.