Home / 65,430.10-90,293.97-37,136.26

Finding the Fourth Proportional to 65,430.10, 90,293.97 and 37,136.26

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Solution

The fourth proportional to 65,430.10, 90,293.97 and 37,136.26 is: 51,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,430.10 : 90,293.97 = 37,136.26 : x
  2. Step 2: Convert to fraction form
    65,430.10/90,293.97 = 37,136.26/x
  3. Step 3: Cross multiply
    65,430.10x = 90,293.97 × 37,136.26
  4. Step 4: Simplify right side
    65,430.10x = 3,353,180,346.35
  5. Step 5: Solve for x
    x = 3,353,180,346.35/65,430.10
  6. Step 6: Final answer
    x = 51,248.28

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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.