Home / 43,075.80-64,569.15-31,200.39

Finding the Fourth Proportional to 43,075.80, 64,569.15 and 31,200.39

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Solution

The fourth proportional to 43,075.80, 64,569.15 and 31,200.39 is: 46,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.80 : 64,569.15 = 31,200.39 : x
  2. Step 2: Convert to fraction form
    43,075.80/64,569.15 = 31,200.39/x
  3. Step 3: Cross multiply
    43,075.80x = 64,569.15 × 31,200.39
  4. Step 4: Simplify right side
    43,075.80x = 2,014,582,661.97
  5. Step 5: Solve for x
    x = 2,014,582,661.97/43,075.80
  6. Step 6: Final answer
    x = 46,768.32

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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.