Home / 51,326.41-70,852.04-31,189.76

Finding the Fourth Proportional to 51,326.41, 70,852.04 and 31,189.76

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Solution

The fourth proportional to 51,326.41, 70,852.04 and 31,189.76 is: 43,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326.41 : 70,852.04 = 31,189.76 : x
  2. Step 2: Convert to fraction form
    51,326.41/70,852.04 = 31,189.76/x
  3. Step 3: Cross multiply
    51,326.41x = 70,852.04 × 31,189.76
  4. Step 4: Simplify right side
    51,326.41x = 2,209,858,083.28
  5. Step 5: Solve for x
    x = 2,209,858,083.28/51,326.41
  6. Step 6: Final answer
    x = 43,054.99

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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.