Home / 34,053.81-47,016.21-21,959.70

Finding the Fourth Proportional to 34,053.81, 47,016.21 and 21,959.70

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Solution

The fourth proportional to 34,053.81, 47,016.21 and 21,959.70 is: 30,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,053.81 : 47,016.21 = 21,959.70 : x
  2. Step 2: Convert to fraction form
    34,053.81/47,016.21 = 21,959.70/x
  3. Step 3: Cross multiply
    34,053.81x = 47,016.21 × 21,959.70
  4. Step 4: Simplify right side
    34,053.81x = 1,032,461,866.74
  5. Step 5: Solve for x
    x = 1,032,461,866.74/34,053.81
  6. Step 6: Final answer
    x = 30,318.54

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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.