Home / 48,459.06-72,674.55-18,870.30

Finding the Fourth Proportional to 48,459.06, 72,674.55 and 18,870.30

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Solution

The fourth proportional to 48,459.06, 72,674.55 and 18,870.30 is: 28,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.06 : 72,674.55 = 18,870.30 : x
  2. Step 2: Convert to fraction form
    48,459.06/72,674.55 = 18,870.30/x
  3. Step 3: Cross multiply
    48,459.06x = 72,674.55 × 18,870.30
  4. Step 4: Simplify right side
    48,459.06x = 1,371,390,560.87
  5. Step 5: Solve for x
    x = 1,371,390,560.87/48,459.06
  6. Step 6: Final answer
    x = 28,299.98

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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.