Home / 39,085.74-53,941.97-22,315.50

Finding the Fourth Proportional to 39,085.74, 53,941.97 and 22,315.50

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Solution

The fourth proportional to 39,085.74, 53,941.97 and 22,315.50 is: 30,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085.74 : 53,941.97 = 22,315.50 : x
  2. Step 2: Convert to fraction form
    39,085.74/53,941.97 = 22,315.50/x
  3. Step 3: Cross multiply
    39,085.74x = 53,941.97 × 22,315.50
  4. Step 4: Simplify right side
    39,085.74x = 1,203,742,031.54
  5. Step 5: Solve for x
    x = 1,203,742,031.54/39,085.74
  6. Step 6: Final answer
    x = 30,797.47

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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.