Home / 65,735.24-90,733.22-38,887.08

Finding the Fourth Proportional to 65,735.24, 90,733.22 and 38,887.08

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Solution

The fourth proportional to 65,735.24, 90,733.22 and 38,887.08 is: 53,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,735.24 : 90,733.22 = 38,887.08 : x
  2. Step 2: Convert to fraction form
    65,735.24/90,733.22 = 38,887.08/x
  3. Step 3: Cross multiply
    65,735.24x = 90,733.22 × 38,887.08
  4. Step 4: Simplify right side
    65,735.24x = 3,528,349,984.80
  5. Step 5: Solve for x
    x = 3,528,349,984.80/65,735.24
  6. Step 6: Final answer
    x = 53,675.17

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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.