Home / 31,315.09-46,970.56-14,678.84

Finding the Fourth Proportional to 31,315.09, 46,970.56 and 14,678.84

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Solution

The fourth proportional to 31,315.09, 46,970.56 and 14,678.84 is: 22,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.09 : 46,970.56 = 14,678.84 : x
  2. Step 2: Convert to fraction form
    31,315.09/46,970.56 = 14,678.84/x
  3. Step 3: Cross multiply
    31,315.09x = 46,970.56 × 14,678.84
  4. Step 4: Simplify right side
    31,315.09x = 689,473,334.95
  5. Step 5: Solve for x
    x = 689,473,334.95/31,315.09
  6. Step 6: Final answer
    x = 22,017.29

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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.