Home / 31,127.40-46,389.18-30,131.16

Finding the Fourth Proportional to 31,127.40, 46,389.18 and 30,131.16

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Solution

The fourth proportional to 31,127.40, 46,389.18 and 30,131.16 is: 44,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.40 : 46,389.18 = 30,131.16 : x
  2. Step 2: Convert to fraction form
    31,127.40/46,389.18 = 30,131.16/x
  3. Step 3: Cross multiply
    31,127.40x = 46,389.18 × 30,131.16
  4. Step 4: Simplify right side
    31,127.40x = 1,397,759,804.85
  5. Step 5: Solve for x
    x = 1,397,759,804.85/31,127.40
  6. Step 6: Final answer
    x = 44,904.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.