Home / 31,450.96-47,159.36-15,621.26

Finding the Fourth Proportional to 31,450.96, 47,159.36 and 15,621.26

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Solution

The fourth proportional to 31,450.96, 47,159.36 and 15,621.26 is: 23,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.96 : 47,159.36 = 15,621.26 : x
  2. Step 2: Convert to fraction form
    31,450.96/47,159.36 = 15,621.26/x
  3. Step 3: Cross multiply
    31,450.96x = 47,159.36 × 15,621.26
  4. Step 4: Simplify right side
    31,450.96x = 736,688,623.99
  5. Step 5: Solve for x
    x = 736,688,623.99/31,450.96
  6. Step 6: Final answer
    x = 23,423.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.