Home / 43,570.81-65,348.35-11,550.09

Finding the Fourth Proportional to 43,570.81, 65,348.35 and 11,550.09

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Solution

The fourth proportional to 43,570.81, 65,348.35 and 11,550.09 is: 17,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570.81 : 65,348.35 = 11,550.09 : x
  2. Step 2: Convert to fraction form
    43,570.81/65,348.35 = 11,550.09/x
  3. Step 3: Cross multiply
    43,570.81x = 65,348.35 × 11,550.09
  4. Step 4: Simplify right side
    43,570.81x = 754,779,323.85
  5. Step 5: Solve for x
    x = 754,779,323.85/43,570.81
  6. Step 6: Final answer
    x = 17,323.05

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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.