Home / 37,312.96-51,491.78-20,316.92

Finding the Fourth Proportional to 37,312.96, 51,491.78 and 20,316.92

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Solution

The fourth proportional to 37,312.96, 51,491.78 and 20,316.92 is: 28,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.96 : 51,491.78 = 20,316.92 : x
  2. Step 2: Convert to fraction form
    37,312.96/51,491.78 = 20,316.92/x
  3. Step 3: Cross multiply
    37,312.96x = 51,491.78 × 20,316.92
  4. Step 4: Simplify right side
    37,312.96x = 1,046,154,374.92
  5. Step 5: Solve for x
    x = 1,046,154,374.92/37,312.96
  6. Step 6: Final answer
    x = 28,037.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.