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Finding the Fourth Proportional to 51,495.84, 77,219.04 and 21,897.63

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Solution

The fourth proportional to 51,495.84, 77,219.04 and 21,897.63 is: 32,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,495.84 : 77,219.04 = 21,897.63 : x
  2. Step 2: Convert to fraction form
    51,495.84/77,219.04 = 21,897.63/x
  3. Step 3: Cross multiply
    51,495.84x = 77,219.04 × 21,897.63
  4. Step 4: Simplify right side
    51,495.84x = 1,690,913,966.88
  5. Step 5: Solve for x
    x = 1,690,913,966.88/51,495.84
  6. Step 6: Final answer
    x = 32,835.93

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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.