Home / 42,038.14-63,096.57-21,276.22

Finding the Fourth Proportional to 42,038.14, 63,096.57 and 21,276.22

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Solution

The fourth proportional to 42,038.14, 63,096.57 and 21,276.22 is: 31,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.14 : 63,096.57 = 21,276.22 : x
  2. Step 2: Convert to fraction form
    42,038.14/63,096.57 = 21,276.22/x
  3. Step 3: Cross multiply
    42,038.14x = 63,096.57 × 21,276.22
  4. Step 4: Simplify right side
    42,038.14x = 1,342,456,504.57
  5. Step 5: Solve for x
    x = 1,342,456,504.57/42,038.14
  6. Step 6: Final answer
    x = 31,934.25

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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.