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Finding the Fourth Proportional to 65,588.58, 90,509.04 and 37,293.66

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Solution

The fourth proportional to 65,588.58, 90,509.04 and 37,293.66 is: 51,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,588.58 : 90,509.04 = 37,293.66 : x
  2. Step 2: Convert to fraction form
    65,588.58/90,509.04 = 37,293.66/x
  3. Step 3: Cross multiply
    65,588.58x = 90,509.04 × 37,293.66
  4. Step 4: Simplify right side
    65,588.58x = 3,375,413,364.69
  5. Step 5: Solve for x
    x = 3,375,413,364.69/65,588.58
  6. Step 6: Final answer
    x = 51,463.43

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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.