Home / 30,272.12-45,342.54-14,657

Finding the Fourth Proportional to 30,272.12, 45,342.54 and 14,657

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Solution

The fourth proportional to 30,272.12, 45,342.54 and 14,657 is: 21,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.12 : 45,342.54 = 14,657 : x
  2. Step 2: Convert to fraction form
    30,272.12/45,342.54 = 14,657/x
  3. Step 3: Cross multiply
    30,272.12x = 45,342.54 × 14,657
  4. Step 4: Simplify right side
    30,272.12x = 664,585,608.78
  5. Step 5: Solve for x
    x = 664,585,608.78/30,272.12
  6. Step 6: Final answer
    x = 21,953.72

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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.