Home / 30,653.86-45,970.80-9,872.50

Finding the Fourth Proportional to 30,653.86, 45,970.80 and 9,872.50

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Solution

The fourth proportional to 30,653.86, 45,970.80 and 9,872.50 is: 14,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.86 : 45,970.80 = 9,872.50 : x
  2. Step 2: Convert to fraction form
    30,653.86/45,970.80 = 9,872.50/x
  3. Step 3: Cross multiply
    30,653.86x = 45,970.80 × 9,872.50
  4. Step 4: Simplify right side
    30,653.86x = 453,846,723
  5. Step 5: Solve for x
    x = 453,846,723/30,653.86
  6. Step 6: Final answer
    x = 14,805.53

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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.