Home / 48,459.19-72,674.73-18,870.43

Finding the Fourth Proportional to 48,459.19, 72,674.73 and 18,870.43

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Solution

The fourth proportional to 48,459.19, 72,674.73 and 18,870.43 is: 28,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.19 : 72,674.73 = 18,870.43 : x
  2. Step 2: Convert to fraction form
    48,459.19/72,674.73 = 18,870.43/x
  3. Step 3: Cross multiply
    48,459.19x = 72,674.73 × 18,870.43
  4. Step 4: Simplify right side
    48,459.19x = 1,371,403,405.23
  5. Step 5: Solve for x
    x = 1,371,403,405.23/48,459.19
  6. Step 6: Final answer
    x = 28,300.17

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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.