Home / 31,114.70-46,642.54-12,406.23

Finding the Fourth Proportional to 31,114.70, 46,642.54 and 12,406.23

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Solution

The fourth proportional to 31,114.70, 46,642.54 and 12,406.23 is: 18,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.70 : 46,642.54 = 12,406.23 : x
  2. Step 2: Convert to fraction form
    31,114.70/46,642.54 = 12,406.23/x
  3. Step 3: Cross multiply
    31,114.70x = 46,642.54 × 12,406.23
  4. Step 4: Simplify right side
    31,114.70x = 578,658,079.02
  5. Step 5: Solve for x
    x = 578,658,079.02/31,114.70
  6. Step 6: Final answer
    x = 18,597.58

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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.