Home / 37,151.68-51,269.16-20,384.68

Finding the Fourth Proportional to 37,151.68, 51,269.16 and 20,384.68

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Solution

The fourth proportional to 37,151.68, 51,269.16 and 20,384.68 is: 28,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,151.68 : 51,269.16 = 20,384.68 : x
  2. Step 2: Convert to fraction form
    37,151.68/51,269.16 = 20,384.68/x
  3. Step 3: Cross multiply
    37,151.68x = 51,269.16 × 20,384.68
  4. Step 4: Simplify right side
    37,151.68x = 1,045,105,420.47
  5. Step 5: Solve for x
    x = 1,045,105,420.47/37,151.68
  6. Step 6: Final answer
    x = 28,130.77

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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.