Home / 57,103.09-85,648.49-14,987.40

Finding the Fourth Proportional to 57,103.09, 85,648.49 and 14,987.40

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Solution

The fourth proportional to 57,103.09, 85,648.49 and 14,987.40 is: 22,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.09 : 85,648.49 = 14,987.40 : x
  2. Step 2: Convert to fraction form
    57,103.09/85,648.49 = 14,987.40/x
  3. Step 3: Cross multiply
    57,103.09x = 85,648.49 × 14,987.40
  4. Step 4: Simplify right side
    57,103.09x = 1,283,648,179.03
  5. Step 5: Solve for x
    x = 1,283,648,179.03/57,103.09
  6. Step 6: Final answer
    x = 22,479.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.