Home / 37,619.64-51,864.30-31,223.07

Finding the Fourth Proportional to 37,619.64, 51,864.30 and 31,223.07

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Solution

The fourth proportional to 37,619.64, 51,864.30 and 31,223.07 is: 43,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.64 : 51,864.30 = 31,223.07 : x
  2. Step 2: Convert to fraction form
    37,619.64/51,864.30 = 31,223.07/x
  3. Step 3: Cross multiply
    37,619.64x = 51,864.30 × 31,223.07
  4. Step 4: Simplify right side
    37,619.64x = 1,619,362,669.40
  5. Step 5: Solve for x
    x = 1,619,362,669.40/37,619.64
  6. Step 6: Final answer
    x = 43,045.67

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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.