Home / 37,038.84-51,114-21,124.23

Finding the Fourth Proportional to 37,038.84, 51,114 and 21,124.23

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Solution

The fourth proportional to 37,038.84, 51,114 and 21,124.23 is: 29,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.84 : 51,114 = 21,124.23 : x
  2. Step 2: Convert to fraction form
    37,038.84/51,114 = 21,124.23/x
  3. Step 3: Cross multiply
    37,038.84x = 51,114 × 21,124.23
  4. Step 4: Simplify right side
    37,038.84x = 1,079,743,892.22
  5. Step 5: Solve for x
    x = 1,079,743,892.22/37,038.84
  6. Step 6: Final answer
    x = 29,151.67

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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.