Home / 31,309.48-46,937.94-14,660.74

Finding the Fourth Proportional to 31,309.48, 46,937.94 and 14,660.74

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Solution

The fourth proportional to 31,309.48, 46,937.94 and 14,660.74 is: 21,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.48 : 46,937.94 = 14,660.74 : x
  2. Step 2: Convert to fraction form
    31,309.48/46,937.94 = 14,660.74/x
  3. Step 3: Cross multiply
    31,309.48x = 46,937.94 × 14,660.74
  4. Step 4: Simplify right side
    31,309.48x = 688,144,934.48
  5. Step 5: Solve for x
    x = 688,144,934.48/31,309.48
  6. Step 6: Final answer
    x = 21,978.80

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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.