Home / 40,989.36-61,440.36-23,422.32

Finding the Fourth Proportional to 40,989.36, 61,440.36 and 23,422.32

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Solution

The fourth proportional to 40,989.36, 61,440.36 and 23,422.32 is: 35,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.36 : 61,440.36 = 23,422.32 : x
  2. Step 2: Convert to fraction form
    40,989.36/61,440.36 = 23,422.32/x
  3. Step 3: Cross multiply
    40,989.36x = 61,440.36 × 23,422.32
  4. Step 4: Simplify right side
    40,989.36x = 1,439,075,772.84
  5. Step 5: Solve for x
    x = 1,439,075,772.84/40,989.36
  6. Step 6: Final answer
    x = 35,108.52

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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.