Home / 30,288.46-45,430.77-14,504.74

Finding the Fourth Proportional to 30,288.46, 45,430.77 and 14,504.74

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Solution

The fourth proportional to 30,288.46, 45,430.77 and 14,504.74 is: 21,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.46 : 45,430.77 = 14,504.74 : x
  2. Step 2: Convert to fraction form
    30,288.46/45,430.77 = 14,504.74/x
  3. Step 3: Cross multiply
    30,288.46x = 45,430.77 × 14,504.74
  4. Step 4: Simplify right side
    30,288.46x = 658,961,506.85
  5. Step 5: Solve for x
    x = 658,961,506.85/30,288.46
  6. Step 6: Final answer
    x = 21,756.19

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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.