Home / 45,927.92-68,918.47-19,271.53

Finding the Fourth Proportional to 45,927.92, 68,918.47 and 19,271.53

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Solution

The fourth proportional to 45,927.92, 68,918.47 and 19,271.53 is: 28,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,927.92 : 68,918.47 = 19,271.53 : x
  2. Step 2: Convert to fraction form
    45,927.92/68,918.47 = 19,271.53/x
  3. Step 3: Cross multiply
    45,927.92x = 68,918.47 × 19,271.53
  4. Step 4: Simplify right side
    45,927.92x = 1,328,164,400.13
  5. Step 5: Solve for x
    x = 1,328,164,400.13/45,927.92
  6. Step 6: Final answer
    x = 28,918.45

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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.