Home / 43,018.98-64,569.52-26,411.45

Finding the Fourth Proportional to 43,018.98, 64,569.52 and 26,411.45

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Solution

The fourth proportional to 43,018.98, 64,569.52 and 26,411.45 is: 39,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,018.98 : 64,569.52 = 26,411.45 : x
  2. Step 2: Convert to fraction form
    43,018.98/64,569.52 = 26,411.45/x
  3. Step 3: Cross multiply
    43,018.98x = 64,569.52 × 26,411.45
  4. Step 4: Simplify right side
    43,018.98x = 1,705,374,810.43
  5. Step 5: Solve for x
    x = 1,705,374,810.43/43,018.98
  6. Step 6: Final answer
    x = 39,642.38

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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.