Home / 51,428.75-70,943.10-29,916.08

Finding the Fourth Proportional to 51,428.75, 70,943.10 and 29,916.08

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Solution

The fourth proportional to 51,428.75, 70,943.10 and 29,916.08 is: 41,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.75 : 70,943.10 = 29,916.08 : x
  2. Step 2: Convert to fraction form
    51,428.75/70,943.10 = 29,916.08/x
  3. Step 3: Cross multiply
    51,428.75x = 70,943.10 × 29,916.08
  4. Step 4: Simplify right side
    51,428.75x = 2,122,339,054.66
  5. Step 5: Solve for x
    x = 2,122,339,054.66/51,428.75
  6. Step 6: Final answer
    x = 41,267.56

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1.5x scale

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.