Home / 37,012.59-51,031.08-30,889.11

Finding the Fourth Proportional to 37,012.59, 51,031.08 and 30,889.11

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Solution

The fourth proportional to 37,012.59, 51,031.08 and 30,889.11 is: 42,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,012.59 : 51,031.08 = 30,889.11 : x
  2. Step 2: Convert to fraction form
    37,012.59/51,031.08 = 30,889.11/x
  3. Step 3: Cross multiply
    37,012.59x = 51,031.08 × 30,889.11
  4. Step 4: Simplify right side
    37,012.59x = 1,576,304,643.54
  5. Step 5: Solve for x
    x = 1,576,304,643.54/37,012.59
  6. Step 6: Final answer
    x = 42,588.34

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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.