Home / 65,389.44-90,235.08-37,100.64

Finding the Fourth Proportional to 65,389.44, 90,235.08 and 37,100.64

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Solution

The fourth proportional to 65,389.44, 90,235.08 and 37,100.64 is: 51,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,389.44 : 90,235.08 = 37,100.64 : x
  2. Step 2: Convert to fraction form
    65,389.44/90,235.08 = 37,100.64/x
  3. Step 3: Cross multiply
    65,389.44x = 90,235.08 × 37,100.64
  4. Step 4: Simplify right side
    65,389.44x = 3,347,779,218.45
  5. Step 5: Solve for x
    x = 3,347,779,218.45/65,389.44
  6. Step 6: Final answer
    x = 51,197.55

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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.