Home / 37,638.63-56,457.81-11,345.49

Finding the Fourth Proportional to 37,638.63, 56,457.81 and 11,345.49

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Solution

The fourth proportional to 37,638.63, 56,457.81 and 11,345.49 is: 17,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638.63 : 56,457.81 = 11,345.49 : x
  2. Step 2: Convert to fraction form
    37,638.63/56,457.81 = 11,345.49/x
  3. Step 3: Cross multiply
    37,638.63x = 56,457.81 × 11,345.49
  4. Step 4: Simplify right side
    37,638.63x = 640,541,518.78
  5. Step 5: Solve for x
    x = 640,541,518.78/37,638.63
  6. Step 6: Final answer
    x = 17,018.19

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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.