Home / 34,307.31-47,343.78-19,199.79

Finding the Fourth Proportional to 34,307.31, 47,343.78 and 19,199.79

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Solution

The fourth proportional to 34,307.31, 47,343.78 and 19,199.79 is: 26,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.31 : 47,343.78 = 19,199.79 : x
  2. Step 2: Convert to fraction form
    34,307.31/47,343.78 = 19,199.79/x
  3. Step 3: Cross multiply
    34,307.31x = 47,343.78 × 19,199.79
  4. Step 4: Simplify right side
    34,307.31x = 908,990,633.81
  5. Step 5: Solve for x
    x = 908,990,633.81/34,307.31
  6. Step 6: Final answer
    x = 26,495.54

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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.