Home / 30,077.58-45,113.70-9,022.32

Finding the Fourth Proportional to 30,077.58, 45,113.70 and 9,022.32

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Solution

The fourth proportional to 30,077.58, 45,113.70 and 9,022.32 is: 13,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077.58 : 45,113.70 = 9,022.32 : x
  2. Step 2: Convert to fraction form
    30,077.58/45,113.70 = 9,022.32/x
  3. Step 3: Cross multiply
    30,077.58x = 45,113.70 × 9,022.32
  4. Step 4: Simplify right side
    30,077.58x = 407,030,237.78
  5. Step 5: Solve for x
    x = 407,030,237.78/30,077.58
  6. Step 6: Final answer
    x = 13,532.68

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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.