Home / 65,428.75-90,292.89-37,136.26

Finding the Fourth Proportional to 65,428.75, 90,292.89 and 37,136.26

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Solution

The fourth proportional to 65,428.75, 90,292.89 and 37,136.26 is: 51,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,428.75 : 90,292.89 = 37,136.26 : x
  2. Step 2: Convert to fraction form
    65,428.75/90,292.89 = 37,136.26/x
  3. Step 3: Cross multiply
    65,428.75x = 90,292.89 × 37,136.26
  4. Step 4: Simplify right side
    65,428.75x = 3,353,140,239.19
  5. Step 5: Solve for x
    x = 3,353,140,239.19/65,428.75
  6. Step 6: Final answer
    x = 51,248.73

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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.