Home / 31,246.74-43,069.86-19,283.85

Finding the Fourth Proportional to 31,246.74, 43,069.86 and 19,283.85

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Solution

The fourth proportional to 31,246.74, 43,069.86 and 19,283.85 is: 26,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.74 : 43,069.86 = 19,283.85 : x
  2. Step 2: Convert to fraction form
    31,246.74/43,069.86 = 19,283.85/x
  3. Step 3: Cross multiply
    31,246.74x = 43,069.86 × 19,283.85
  4. Step 4: Simplify right side
    31,246.74x = 830,552,719.76
  5. Step 5: Solve for x
    x = 830,552,719.76/31,246.74
  6. Step 6: Final answer
    x = 26,580.46

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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.