Home / 31,218.76-46,802.48-14,570.56

Finding the Fourth Proportional to 31,218.76, 46,802.48 and 14,570.56

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Solution

The fourth proportional to 31,218.76, 46,802.48 and 14,570.56 is: 21,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.76 : 46,802.48 = 14,570.56 : x
  2. Step 2: Convert to fraction form
    31,218.76/46,802.48 = 14,570.56/x
  3. Step 3: Cross multiply
    31,218.76x = 46,802.48 × 14,570.56
  4. Step 4: Simplify right side
    31,218.76x = 681,938,342.99
  5. Step 5: Solve for x
    x = 681,938,342.99/31,218.76
  6. Step 6: Final answer
    x = 21,843.86

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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.