Home / 31,365.40-47,048.10-10,588.60

Finding the Fourth Proportional to 31,365.40, 47,048.10 and 10,588.60

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Solution

The fourth proportional to 31,365.40, 47,048.10 and 10,588.60 is: 15,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.40 : 47,048.10 = 10,588.60 : x
  2. Step 2: Convert to fraction form
    31,365.40/47,048.10 = 10,588.60/x
  3. Step 3: Cross multiply
    31,365.40x = 47,048.10 × 10,588.60
  4. Step 4: Simplify right side
    31,365.40x = 498,173,511.66
  5. Step 5: Solve for x
    x = 498,173,511.66/31,365.40
  6. Step 6: Final answer
    x = 15,882.90

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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.