Home / 65,316.18-90,133.77-37,021.26

Finding the Fourth Proportional to 65,316.18, 90,133.77 and 37,021.26

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Solution

The fourth proportional to 65,316.18, 90,133.77 and 37,021.26 is: 51,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,316.18 : 90,133.77 = 37,021.26 : x
  2. Step 2: Convert to fraction form
    65,316.18/90,133.77 = 37,021.26/x
  3. Step 3: Cross multiply
    65,316.18x = 90,133.77 × 37,021.26
  4. Step 4: Simplify right side
    65,316.18x = 3,336,865,733.95
  5. Step 5: Solve for x
    x = 3,336,865,733.95/65,316.18
  6. Step 6: Final answer
    x = 51,087.89

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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.