Home / 30,248.85-45,373.28-28,969.05

Finding the Fourth Proportional to 30,248.85, 45,373.28 and 28,969.05

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Solution

The fourth proportional to 30,248.85, 45,373.28 and 28,969.05 is: 43,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.85 : 45,373.28 = 28,969.05 : x
  2. Step 2: Convert to fraction form
    30,248.85/45,373.28 = 28,969.05/x
  3. Step 3: Cross multiply
    30,248.85x = 45,373.28 × 28,969.05
  4. Step 4: Simplify right side
    30,248.85x = 1,314,420,672.14
  5. Step 5: Solve for x
    x = 1,314,420,672.14/30,248.85
  6. Step 6: Final answer
    x = 43,453.58

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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.