Home / 40,115.36-55,368.50-26,687.18

Finding the Fourth Proportional to 40,115.36, 55,368.50 and 26,687.18

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Solution

The fourth proportional to 40,115.36, 55,368.50 and 26,687.18 is: 36,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.36 : 55,368.50 = 26,687.18 : x
  2. Step 2: Convert to fraction form
    40,115.36/55,368.50 = 26,687.18/x
  3. Step 3: Cross multiply
    40,115.36x = 55,368.50 × 26,687.18
  4. Step 4: Simplify right side
    40,115.36x = 1,477,629,130.82
  5. Step 5: Solve for x
    x = 1,477,629,130.82/40,115.36
  6. Step 6: Final answer
    x = 36,834.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.