Home / 30,137.04-45,200.43-7,950.63

Finding the Fourth Proportional to 30,137.04, 45,200.43 and 7,950.63

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Solution

The fourth proportional to 30,137.04, 45,200.43 and 7,950.63 is: 11,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.04 : 45,200.43 = 7,950.63 : x
  2. Step 2: Convert to fraction form
    30,137.04/45,200.43 = 7,950.63/x
  3. Step 3: Cross multiply
    30,137.04x = 45,200.43 × 7,950.63
  4. Step 4: Simplify right side
    30,137.04x = 359,371,894.77
  5. Step 5: Solve for x
    x = 359,371,894.77/30,137.04
  6. Step 6: Final answer
    x = 11,924.59

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1.5x scale

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.