Home / 65,315.22-90,136.04-36,641.26

Finding the Fourth Proportional to 65,315.22, 90,136.04 and 36,641.26

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Solution

The fourth proportional to 65,315.22, 90,136.04 and 36,641.26 is: 50,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,315.22 : 90,136.04 = 36,641.26 : x
  2. Step 2: Convert to fraction form
    65,315.22/90,136.04 = 36,641.26/x
  3. Step 3: Cross multiply
    65,315.22x = 90,136.04 × 36,641.26
  4. Step 4: Simplify right side
    65,315.22x = 3,302,698,077.01
  5. Step 5: Solve for x
    x = 3,302,698,077.01/65,315.22
  6. Step 6: Final answer
    x = 50,565.52

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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.