Home / 43,570.09-65,328.78-19,549.99

Finding the Fourth Proportional to 43,570.09, 65,328.78 and 19,549.99

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Solution

The fourth proportional to 43,570.09, 65,328.78 and 19,549.99 is: 29,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570.09 : 65,328.78 = 19,549.99 : x
  2. Step 2: Convert to fraction form
    43,570.09/65,328.78 = 19,549.99/x
  3. Step 3: Cross multiply
    43,570.09x = 65,328.78 × 19,549.99
  4. Step 4: Simplify right side
    43,570.09x = 1,277,176,995.71
  5. Step 5: Solve for x
    x = 1,277,176,995.71/43,570.09
  6. Step 6: Final answer
    x = 29,313.16

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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.