Home / 63,270.51-94,915.48-21,142.81

Finding the Fourth Proportional to 63,270.51, 94,915.48 and 21,142.81

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Solution

The fourth proportional to 63,270.51, 94,915.48 and 21,142.81 is: 31,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270.51 : 94,915.48 = 21,142.81 : x
  2. Step 2: Convert to fraction form
    63,270.51/94,915.48 = 21,142.81/x
  3. Step 3: Cross multiply
    63,270.51x = 94,915.48 × 21,142.81
  4. Step 4: Simplify right side
    63,270.51x = 2,006,779,959.70
  5. Step 5: Solve for x
    x = 2,006,779,959.70/63,270.51
  6. Step 6: Final answer
    x = 31,717.46

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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.