Home / 37,130.47-51,240.14-21,214.87

Finding the Fourth Proportional to 37,130.47, 51,240.14 and 21,214.87

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Solution

The fourth proportional to 37,130.47, 51,240.14 and 21,214.87 is: 29,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.47 : 51,240.14 = 21,214.87 : x
  2. Step 2: Convert to fraction form
    37,130.47/51,240.14 = 21,214.87/x
  3. Step 3: Cross multiply
    37,130.47x = 51,240.14 × 21,214.87
  4. Step 4: Simplify right side
    37,130.47x = 1,087,052,908.88
  5. Step 5: Solve for x
    x = 1,087,052,908.88/37,130.47
  6. Step 6: Final answer
    x = 29,276.57

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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.