Home / 34,362.92-47,420.98-20,031.26

Finding the Fourth Proportional to 34,362.92, 47,420.98 and 20,031.26

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Solution

The fourth proportional to 34,362.92, 47,420.98 and 20,031.26 is: 27,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,362.92 : 47,420.98 = 20,031.26 : x
  2. Step 2: Convert to fraction form
    34,362.92/47,420.98 = 20,031.26/x
  3. Step 3: Cross multiply
    34,362.92x = 47,420.98 × 20,031.26
  4. Step 4: Simplify right side
    34,362.92x = 949,901,692.65
  5. Step 5: Solve for x
    x = 949,901,692.65/34,362.92
  6. Step 6: Final answer
    x = 27,643.22

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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.