Home / 30,370.04-45,560.44-9,309.60

Finding the Fourth Proportional to 30,370.04, 45,560.44 and 9,309.60

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Solution

The fourth proportional to 30,370.04, 45,560.44 and 9,309.60 is: 13,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.04 : 45,560.44 = 9,309.60 : x
  2. Step 2: Convert to fraction form
    30,370.04/45,560.44 = 9,309.60/x
  3. Step 3: Cross multiply
    30,370.04x = 45,560.44 × 9,309.60
  4. Step 4: Simplify right side
    30,370.04x = 424,149,472.22
  5. Step 5: Solve for x
    x = 424,149,472.22/30,370.04
  6. Step 6: Final answer
    x = 13,966.05

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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.