Home / 30,897.10-46,359.50-14,248.21

Finding the Fourth Proportional to 30,897.10, 46,359.50 and 14,248.21

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Solution

The fourth proportional to 30,897.10, 46,359.50 and 14,248.21 is: 21,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.10 : 46,359.50 = 14,248.21 : x
  2. Step 2: Convert to fraction form
    30,897.10/46,359.50 = 14,248.21/x
  3. Step 3: Cross multiply
    30,897.10x = 46,359.50 × 14,248.21
  4. Step 4: Simplify right side
    30,897.10x = 660,539,891.50
  5. Step 5: Solve for x
    x = 660,539,891.50/30,897.10
  6. Step 6: Final answer
    x = 21,378.70

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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.