Home / 51,036.48-76,261.95-38,961.81

Finding the Fourth Proportional to 51,036.48, 76,261.95 and 38,961.81

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Solution

The fourth proportional to 51,036.48, 76,261.95 and 38,961.81 is: 58,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.48 : 76,261.95 = 38,961.81 : x
  2. Step 2: Convert to fraction form
    51,036.48/76,261.95 = 38,961.81/x
  3. Step 3: Cross multiply
    51,036.48x = 76,261.95 × 38,961.81
  4. Step 4: Simplify right side
    51,036.48x = 2,971,303,606.13
  5. Step 5: Solve for x
    x = 2,971,303,606.13/51,036.48
  6. Step 6: Final answer
    x = 58,219.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.