Home / 37,710.51-52,040.48-20,715.23

Finding the Fourth Proportional to 37,710.51, 52,040.48 and 20,715.23

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Solution

The fourth proportional to 37,710.51, 52,040.48 and 20,715.23 is: 28,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,710.51 : 52,040.48 = 20,715.23 : x
  2. Step 2: Convert to fraction form
    37,710.51/52,040.48 = 20,715.23/x
  3. Step 3: Cross multiply
    37,710.51x = 52,040.48 × 20,715.23
  4. Step 4: Simplify right side
    37,710.51x = 1,078,030,148.73
  5. Step 5: Solve for x
    x = 1,078,030,148.73/37,710.51
  6. Step 6: Final answer
    x = 28,586.99

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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.