Home / 34,428.85-51,643.27-17,780.31

Finding the Fourth Proportional to 34,428.85, 51,643.27 and 17,780.31

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Solution

The fourth proportional to 34,428.85, 51,643.27 and 17,780.31 is: 26,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428.85 : 51,643.27 = 17,780.31 : x
  2. Step 2: Convert to fraction form
    34,428.85/51,643.27 = 17,780.31/x
  3. Step 3: Cross multiply
    34,428.85x = 51,643.27 × 17,780.31
  4. Step 4: Simplify right side
    34,428.85x = 918,233,372.24
  5. Step 5: Solve for x
    x = 918,233,372.24/34,428.85
  6. Step 6: Final answer
    x = 26,670.47

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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.