Home / 30,292.23-45,445.53-9,515.73

Finding the Fourth Proportional to 30,292.23, 45,445.53 and 9,515.73

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Solution

The fourth proportional to 30,292.23, 45,445.53 and 9,515.73 is: 14,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.23 : 45,445.53 = 9,515.73 : x
  2. Step 2: Convert to fraction form
    30,292.23/45,445.53 = 9,515.73/x
  3. Step 3: Cross multiply
    30,292.23x = 45,445.53 × 9,515.73
  4. Step 4: Simplify right side
    30,292.23x = 432,447,393.19
  5. Step 5: Solve for x
    x = 432,447,393.19/30,292.23
  6. Step 6: Final answer
    x = 14,275.85

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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.