Home / 52,788.50-72,848.78-30,130.60

Finding the Fourth Proportional to 52,788.50, 72,848.78 and 30,130.60

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Solution

The fourth proportional to 52,788.50, 72,848.78 and 30,130.60 is: 41,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.50 : 72,848.78 = 30,130.60 : x
  2. Step 2: Convert to fraction form
    52,788.50/72,848.78 = 30,130.60/x
  3. Step 3: Cross multiply
    52,788.50x = 72,848.78 × 30,130.60
  4. Step 4: Simplify right side
    52,788.50x = 2,194,977,450.67
  5. Step 5: Solve for x
    x = 2,194,977,450.67/52,788.50
  6. Step 6: Final answer
    x = 41,580.60

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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.