Home / 39,729.48-54,830.49-22,730.34

Finding the Fourth Proportional to 39,729.48, 54,830.49 and 22,730.34

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Solution

The fourth proportional to 39,729.48, 54,830.49 and 22,730.34 is: 31,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.48 : 54,830.49 = 22,730.34 : x
  2. Step 2: Convert to fraction form
    39,729.48/54,830.49 = 22,730.34/x
  3. Step 3: Cross multiply
    39,729.48x = 54,830.49 × 22,730.34
  4. Step 4: Simplify right side
    39,729.48x = 1,246,315,680.07
  5. Step 5: Solve for x
    x = 1,246,315,680.07/39,729.48
  6. Step 6: Final answer
    x = 31,370.05

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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.