Home / 34,246.18-47,289.79-21,521.41

Finding the Fourth Proportional to 34,246.18, 47,289.79 and 21,521.41

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Solution

The fourth proportional to 34,246.18, 47,289.79 and 21,521.41 is: 29,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,246.18 : 47,289.79 = 21,521.41 : x
  2. Step 2: Convert to fraction form
    34,246.18/47,289.79 = 21,521.41/x
  3. Step 3: Cross multiply
    34,246.18x = 47,289.79 × 21,521.41
  4. Step 4: Simplify right side
    34,246.18x = 1,017,742,959.40
  5. Step 5: Solve for x
    x = 1,017,742,959.40/34,246.18
  6. Step 6: Final answer
    x = 29,718.44

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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.