Home / 34,526.50-47,645.40-19,419.80

Finding the Fourth Proportional to 34,526.50, 47,645.40 and 19,419.80

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Solution

The fourth proportional to 34,526.50, 47,645.40 and 19,419.80 is: 26,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,526.50 : 47,645.40 = 19,419.80 : x
  2. Step 2: Convert to fraction form
    34,526.50/47,645.40 = 19,419.80/x
  3. Step 3: Cross multiply
    34,526.50x = 47,645.40 × 19,419.80
  4. Step 4: Simplify right side
    34,526.50x = 925,264,138.92
  5. Step 5: Solve for x
    x = 925,264,138.92/34,526.50
  6. Step 6: Final answer
    x = 26,798.67

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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.