Home / 30,887.54-46,299.47-12,159.98

Finding the Fourth Proportional to 30,887.54, 46,299.47 and 12,159.98

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Solution

The fourth proportional to 30,887.54, 46,299.47 and 12,159.98 is: 18,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.54 : 46,299.47 = 12,159.98 : x
  2. Step 2: Convert to fraction form
    30,887.54/46,299.47 = 12,159.98/x
  3. Step 3: Cross multiply
    30,887.54x = 46,299.47 × 12,159.98
  4. Step 4: Simplify right side
    30,887.54x = 563,000,428.11
  5. Step 5: Solve for x
    x = 563,000,428.11/30,887.54
  6. Step 6: Final answer
    x = 18,227.43

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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.