Home / 30,482.46-45,952.16-28,450.40

Finding the Fourth Proportional to 30,482.46, 45,952.16 and 28,450.40

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Solution

The fourth proportional to 30,482.46, 45,952.16 and 28,450.40 is: 42,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.46 : 45,952.16 = 28,450.40 : x
  2. Step 2: Convert to fraction form
    30,482.46/45,952.16 = 28,450.40/x
  3. Step 3: Cross multiply
    30,482.46x = 45,952.16 × 28,450.40
  4. Step 4: Simplify right side
    30,482.46x = 1,307,356,960.85
  5. Step 5: Solve for x
    x = 1,307,356,960.85/30,482.46
  6. Step 6: Final answer
    x = 42,888.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.