Home / 29,277.18-40,408.47-19,848.78

Finding the Fourth Proportional to 29,277.18, 40,408.47 and 19,848.78

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Solution

The fourth proportional to 29,277.18, 40,408.47 and 19,848.78 is: 27,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.18 : 40,408.47 = 19,848.78 : x
  2. Step 2: Convert to fraction form
    29,277.18/40,408.47 = 19,848.78/x
  3. Step 3: Cross multiply
    29,277.18x = 40,408.47 × 19,848.78
  4. Step 4: Simplify right side
    29,277.18x = 802,058,831.17
  5. Step 5: Solve for x
    x = 802,058,831.17/29,277.18
  6. Step 6: Final answer
    x = 27,395.36

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1.5x scale

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.