Home / 48,427.56-72,605.28-20,355.84

Finding the Fourth Proportional to 48,427.56, 72,605.28 and 20,355.84

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Solution

The fourth proportional to 48,427.56, 72,605.28 and 20,355.84 is: 30,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.56 : 72,605.28 = 20,355.84 : x
  2. Step 2: Convert to fraction form
    48,427.56/72,605.28 = 20,355.84/x
  3. Step 3: Cross multiply
    48,427.56x = 72,605.28 × 20,355.84
  4. Step 4: Simplify right side
    48,427.56x = 1,477,941,462.84
  5. Step 5: Solve for x
    x = 1,477,941,462.84/48,427.56
  6. Step 6: Final answer
    x = 30,518.60

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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.