Home / 39,024.80-58,537.20-12,729.60

Finding the Fourth Proportional to 39,024.80, 58,537.20 and 12,729.60

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Solution

The fourth proportional to 39,024.80, 58,537.20 and 12,729.60 is: 19,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,024.80 : 58,537.20 = 12,729.60 : x
  2. Step 2: Convert to fraction form
    39,024.80/58,537.20 = 12,729.60/x
  3. Step 3: Cross multiply
    39,024.80x = 58,537.20 × 12,729.60
  4. Step 4: Simplify right side
    39,024.80x = 745,155,141.12
  5. Step 5: Solve for x
    x = 745,155,141.12/39,024.80
  6. Step 6: Final answer
    x = 19,094.40

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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.