Home / 34,678.29-47,855.70-18,762.39

Finding the Fourth Proportional to 34,678.29, 47,855.70 and 18,762.39

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Solution

The fourth proportional to 34,678.29, 47,855.70 and 18,762.39 is: 25,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.29 : 47,855.70 = 18,762.39 : x
  2. Step 2: Convert to fraction form
    34,678.29/47,855.70 = 18,762.39/x
  3. Step 3: Cross multiply
    34,678.29x = 47,855.70 × 18,762.39
  4. Step 4: Simplify right side
    34,678.29x = 897,887,307.12
  5. Step 5: Solve for x
    x = 897,887,307.12/34,678.29
  6. Step 6: Final answer
    x = 25,891.91

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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.