Home / 39,087.91-53,941.37-21,182.76

Finding the Fourth Proportional to 39,087.91, 53,941.37 and 21,182.76

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Solution

The fourth proportional to 39,087.91, 53,941.37 and 21,182.76 is: 29,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087.91 : 53,941.37 = 21,182.76 : x
  2. Step 2: Convert to fraction form
    39,087.91/53,941.37 = 21,182.76/x
  3. Step 3: Cross multiply
    39,087.91x = 53,941.37 × 21,182.76
  4. Step 4: Simplify right side
    39,087.91x = 1,142,626,988.87
  5. Step 5: Solve for x
    x = 1,142,626,988.87/39,087.91
  6. Step 6: Final answer
    x = 29,232.23

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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.