Home / 45,006.54-67,509.75-13,841.79

Finding the Fourth Proportional to 45,006.54, 67,509.75 and 13,841.79

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Solution

The fourth proportional to 45,006.54, 67,509.75 and 13,841.79 is: 20,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,006.54 : 67,509.75 = 13,841.79 : x
  2. Step 2: Convert to fraction form
    45,006.54/67,509.75 = 13,841.79/x
  3. Step 3: Cross multiply
    45,006.54x = 67,509.75 × 13,841.79
  4. Step 4: Simplify right side
    45,006.54x = 934,455,782.45
  5. Step 5: Solve for x
    x = 934,455,782.45/45,006.54
  6. Step 6: Final answer
    x = 20,762.67

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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.