Home / 51,903.21-77,827.14-26,881.20

Finding the Fourth Proportional to 51,903.21, 77,827.14 and 26,881.20

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Solution

The fourth proportional to 51,903.21, 77,827.14 and 26,881.20 is: 40,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,903.21 : 77,827.14 = 26,881.20 : x
  2. Step 2: Convert to fraction form
    51,903.21/77,827.14 = 26,881.20/x
  3. Step 3: Cross multiply
    51,903.21x = 77,827.14 × 26,881.20
  4. Step 4: Simplify right side
    51,903.21x = 2,092,086,915.77
  5. Step 5: Solve for x
    x = 2,092,086,915.77/51,903.21
  6. Step 6: Final answer
    x = 40,307.47

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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.