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Finding the Fourth Proportional to 57,848.74, 79,830.66 and 32,354.80

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Solution

The fourth proportional to 57,848.74, 79,830.66 and 32,354.80 is: 44,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,848.74 : 79,830.66 = 32,354.80 : x
  2. Step 2: Convert to fraction form
    57,848.74/79,830.66 = 32,354.80/x
  3. Step 3: Cross multiply
    57,848.74x = 79,830.66 × 32,354.80
  4. Step 4: Simplify right side
    57,848.74x = 2,582,905,038.17
  5. Step 5: Solve for x
    x = 2,582,905,038.17/57,848.74
  6. Step 6: Final answer
    x = 44,649.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.