Home / 29,987.85-44,887.45-20,572.81

Finding the Fourth Proportional to 29,987.85, 44,887.45 and 20,572.81

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Solution

The fourth proportional to 29,987.85, 44,887.45 and 20,572.81 is: 30,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.85 : 44,887.45 = 20,572.81 : x
  2. Step 2: Convert to fraction form
    29,987.85/44,887.45 = 20,572.81/x
  3. Step 3: Cross multiply
    29,987.85x = 44,887.45 × 20,572.81
  4. Step 4: Simplify right side
    29,987.85x = 923,460,980.23
  5. Step 5: Solve for x
    x = 923,460,980.23/29,987.85
  6. Step 6: Final answer
    x = 30,794.50

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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.