Home / 45,495.56-68,281.67-19,219.16

Finding the Fourth Proportional to 45,495.56, 68,281.67 and 19,219.16

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Solution

The fourth proportional to 45,495.56, 68,281.67 and 19,219.16 is: 28,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,495.56 : 68,281.67 = 19,219.16 : x
  2. Step 2: Convert to fraction form
    45,495.56/68,281.67 = 19,219.16/x
  3. Step 3: Cross multiply
    45,495.56x = 68,281.67 × 19,219.16
  4. Step 4: Simplify right side
    45,495.56x = 1,312,316,047.44
  5. Step 5: Solve for x
    x = 1,312,316,047.44/45,495.56
  6. Step 6: Final answer
    x = 28,844.93

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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.