Home / 42,949.73-64,075.86-40,624.68

Finding the Fourth Proportional to 42,949.73, 64,075.86 and 40,624.68

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Solution

The fourth proportional to 42,949.73, 64,075.86 and 40,624.68 is: 60,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,949.73 : 64,075.86 = 40,624.68 : x
  2. Step 2: Convert to fraction form
    42,949.73/64,075.86 = 40,624.68/x
  3. Step 3: Cross multiply
    42,949.73x = 64,075.86 × 40,624.68
  4. Step 4: Simplify right side
    42,949.73x = 2,603,060,969.44
  5. Step 5: Solve for x
    x = 2,603,060,969.44/42,949.73
  6. Step 6: Final answer
    x = 60,607.15

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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.