Home / 31,430.04-47,127.24-10,364.37

Finding the Fourth Proportional to 31,430.04, 47,127.24 and 10,364.37

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Solution

The fourth proportional to 31,430.04, 47,127.24 and 10,364.37 is: 15,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.04 : 47,127.24 = 10,364.37 : x
  2. Step 2: Convert to fraction form
    31,430.04/47,127.24 = 10,364.37/x
  3. Step 3: Cross multiply
    31,430.04x = 47,127.24 × 10,364.37
  4. Step 4: Simplify right side
    31,430.04x = 488,444,152.44
  5. Step 5: Solve for x
    x = 488,444,152.44/31,430.04
  6. Step 6: Final answer
    x = 15,540.68

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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.