Home / 30,093.59-45,113.54-14,288.87

Finding the Fourth Proportional to 30,093.59, 45,113.54 and 14,288.87

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Solution

The fourth proportional to 30,093.59, 45,113.54 and 14,288.87 is: 21,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.59 : 45,113.54 = 14,288.87 : x
  2. Step 2: Convert to fraction form
    30,093.59/45,113.54 = 14,288.87/x
  3. Step 3: Cross multiply
    30,093.59x = 45,113.54 × 14,288.87
  4. Step 4: Simplify right side
    30,093.59x = 644,621,211.29
  5. Step 5: Solve for x
    x = 644,621,211.29/30,093.59
  6. Step 6: Final answer
    x = 21,420.55

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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.