Home / 34,389.21-47,457.07-19,281.82

Finding the Fourth Proportional to 34,389.21, 47,457.07 and 19,281.82

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Solution

The fourth proportional to 34,389.21, 47,457.07 and 19,281.82 is: 26,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.21 : 47,457.07 = 19,281.82 : x
  2. Step 2: Convert to fraction form
    34,389.21/47,457.07 = 19,281.82/x
  3. Step 3: Cross multiply
    34,389.21x = 47,457.07 × 19,281.82
  4. Step 4: Simplify right side
    34,389.21x = 915,058,681.47
  5. Step 5: Solve for x
    x = 915,058,681.47/34,389.21
  6. Step 6: Final answer
    x = 26,608.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.