Home / 45,506.61-68,267.21-19,211.58

Finding the Fourth Proportional to 45,506.61, 68,267.21 and 19,211.58

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Solution

The fourth proportional to 45,506.61, 68,267.21 and 19,211.58 is: 28,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.61 : 68,267.21 = 19,211.58 : x
  2. Step 2: Convert to fraction form
    45,506.61/68,267.21 = 19,211.58/x
  3. Step 3: Cross multiply
    45,506.61x = 68,267.21 × 19,211.58
  4. Step 4: Simplify right side
    45,506.61x = 1,311,520,870.23
  5. Step 5: Solve for x
    x = 1,311,520,870.23/45,506.61
  6. Step 6: Final answer
    x = 28,820.45

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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.