Home / 47,870.40-66,066.36-27,726.96

Finding the Fourth Proportional to 47,870.40, 66,066.36 and 27,726.96

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Solution

The fourth proportional to 47,870.40, 66,066.36 and 27,726.96 is: 38,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.40 : 66,066.36 = 27,726.96 : x
  2. Step 2: Convert to fraction form
    47,870.40/66,066.36 = 27,726.96/x
  3. Step 3: Cross multiply
    47,870.40x = 66,066.36 × 27,726.96
  4. Step 4: Simplify right side
    47,870.40x = 1,831,819,321.07
  5. Step 5: Solve for x
    x = 1,831,819,321.07/47,870.40
  6. Step 6: Final answer
    x = 38,266.22

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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.