Home / 43,391.48-65,089.08-13,806.32

Finding the Fourth Proportional to 43,391.48, 65,089.08 and 13,806.32

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Solution

The fourth proportional to 43,391.48, 65,089.08 and 13,806.32 is: 20,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391.48 : 65,089.08 = 13,806.32 : x
  2. Step 2: Convert to fraction form
    43,391.48/65,089.08 = 13,806.32/x
  3. Step 3: Cross multiply
    43,391.48x = 65,089.08 × 13,806.32
  4. Step 4: Simplify right side
    43,391.48x = 898,640,666.99
  5. Step 5: Solve for x
    x = 898,640,666.99/43,391.48
  6. Step 6: Final answer
    x = 20,710.07

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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.