Home / 39,085.24-53,941.28-22,315

Finding the Fourth Proportional to 39,085.24, 53,941.28 and 22,315

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Solution

The fourth proportional to 39,085.24, 53,941.28 and 22,315 is: 30,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085.24 : 53,941.28 = 22,315 : x
  2. Step 2: Convert to fraction form
    39,085.24/53,941.28 = 22,315/x
  3. Step 3: Cross multiply
    39,085.24x = 53,941.28 × 22,315
  4. Step 4: Simplify right side
    39,085.24x = 1,203,699,663.20
  5. Step 5: Solve for x
    x = 1,203,699,663.20/39,085.24
  6. Step 6: Final answer
    x = 30,796.78

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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.