Home / 31,112.09-46,649.37-12,395.02

Finding the Fourth Proportional to 31,112.09, 46,649.37 and 12,395.02

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Solution

The fourth proportional to 31,112.09, 46,649.37 and 12,395.02 is: 18,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.09 : 46,649.37 = 12,395.02 : x
  2. Step 2: Convert to fraction form
    31,112.09/46,649.37 = 12,395.02/x
  3. Step 3: Cross multiply
    31,112.09x = 46,649.37 × 12,395.02
  4. Step 4: Simplify right side
    31,112.09x = 578,219,804.00
  5. Step 5: Solve for x
    x = 578,219,804.00/31,112.09
  6. Step 6: Final answer
    x = 18,585.05

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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.