Home / 42,325.84-63,440.70-19,813.12

Finding the Fourth Proportional to 42,325.84, 63,440.70 and 19,813.12

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Solution

The fourth proportional to 42,325.84, 63,440.70 and 19,813.12 is: 29,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,325.84 : 63,440.70 = 19,813.12 : x
  2. Step 2: Convert to fraction form
    42,325.84/63,440.70 = 19,813.12/x
  3. Step 3: Cross multiply
    42,325.84x = 63,440.70 × 19,813.12
  4. Step 4: Simplify right side
    42,325.84x = 1,256,958,201.98
  5. Step 5: Solve for x
    x = 1,256,958,201.98/42,325.84
  6. Step 6: Final answer
    x = 29,697.18

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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.