Home / 39,145.21-58,726.32-12,848.95

Finding the Fourth Proportional to 39,145.21, 58,726.32 and 12,848.95

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Solution

The fourth proportional to 39,145.21, 58,726.32 and 12,848.95 is: 19,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.21 : 58,726.32 = 12,848.95 : x
  2. Step 2: Convert to fraction form
    39,145.21/58,726.32 = 12,848.95/x
  3. Step 3: Cross multiply
    39,145.21x = 58,726.32 × 12,848.95
  4. Step 4: Simplify right side
    39,145.21x = 754,571,549.36
  5. Step 5: Solve for x
    x = 754,571,549.36/39,145.21
  6. Step 6: Final answer
    x = 19,276.22

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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.