Home / 39,830.12-54,962.54-22,834.20

Finding the Fourth Proportional to 39,830.12, 54,962.54 and 22,834.20

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Solution

The fourth proportional to 39,830.12, 54,962.54 and 22,834.20 is: 31,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.12 : 54,962.54 = 22,834.20 : x
  2. Step 2: Convert to fraction form
    39,830.12/54,962.54 = 22,834.20/x
  3. Step 3: Cross multiply
    39,830.12x = 54,962.54 × 22,834.20
  4. Step 4: Simplify right side
    39,830.12x = 1,255,025,630.87
  5. Step 5: Solve for x
    x = 1,255,025,630.87/39,830.12
  6. Step 6: Final answer
    x = 31,509.46

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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.