Home / 42,586.49-63,936.26-36,386.34

Finding the Fourth Proportional to 42,586.49, 63,936.26 and 36,386.34

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Solution

The fourth proportional to 42,586.49, 63,936.26 and 36,386.34 is: 54,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,586.49 : 63,936.26 = 36,386.34 : x
  2. Step 2: Convert to fraction form
    42,586.49/63,936.26 = 36,386.34/x
  3. Step 3: Cross multiply
    42,586.49x = 63,936.26 × 36,386.34
  4. Step 4: Simplify right side
    42,586.49x = 2,326,406,312.76
  5. Step 5: Solve for x
    x = 2,326,406,312.76/42,586.49
  6. Step 6: Final answer
    x = 54,627.81

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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.