Home / 42,543.65-58,709.27-26,636.87

Finding the Fourth Proportional to 42,543.65, 58,709.27 and 26,636.87

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Solution

The fourth proportional to 42,543.65, 58,709.27 and 26,636.87 is: 36,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.65 : 58,709.27 = 26,636.87 : x
  2. Step 2: Convert to fraction form
    42,543.65/58,709.27 = 26,636.87/x
  3. Step 3: Cross multiply
    42,543.65x = 58,709.27 × 26,636.87
  4. Step 4: Simplify right side
    42,543.65x = 1,563,831,059.60
  5. Step 5: Solve for x
    x = 1,563,831,059.60/42,543.65
  6. Step 6: Final answer
    x = 36,758.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.