Home / 30,271.85-45,415.07-9,495.35

Finding the Fourth Proportional to 30,271.85, 45,415.07 and 9,495.35

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Solution

The fourth proportional to 30,271.85, 45,415.07 and 9,495.35 is: 14,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.85 : 45,415.07 = 9,495.35 : x
  2. Step 2: Convert to fraction form
    30,271.85/45,415.07 = 9,495.35/x
  3. Step 3: Cross multiply
    30,271.85x = 45,415.07 × 9,495.35
  4. Step 4: Simplify right side
    30,271.85x = 431,232,030.66
  5. Step 5: Solve for x
    x = 431,232,030.66/30,271.85
  6. Step 6: Final answer
    x = 14,245.31

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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.