Home / 30,943.02-46,422.88-14,289.42

Finding the Fourth Proportional to 30,943.02, 46,422.88 and 14,289.42

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Solution

The fourth proportional to 30,943.02, 46,422.88 and 14,289.42 is: 21,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.02 : 46,422.88 = 14,289.42 : x
  2. Step 2: Convert to fraction form
    30,943.02/46,422.88 = 14,289.42/x
  3. Step 3: Cross multiply
    30,943.02x = 46,422.88 × 14,289.42
  4. Step 4: Simplify right side
    30,943.02x = 663,356,029.93
  5. Step 5: Solve for x
    x = 663,356,029.93/30,943.02
  6. Step 6: Final answer
    x = 21,437.99

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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.