Home / 44,478.45-66,710.23-19,511.80

Finding the Fourth Proportional to 44,478.45, 66,710.23 and 19,511.80

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Solution

The fourth proportional to 44,478.45, 66,710.23 and 19,511.80 is: 29,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,478.45 : 66,710.23 = 19,511.80 : x
  2. Step 2: Convert to fraction form
    44,478.45/66,710.23 = 19,511.80/x
  3. Step 3: Cross multiply
    44,478.45x = 66,710.23 × 19,511.80
  4. Step 4: Simplify right side
    44,478.45x = 1,301,636,653.72
  5. Step 5: Solve for x
    x = 1,301,636,653.72/44,478.45
  6. Step 6: Final answer
    x = 29,264.43

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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.