Home / 31,593.36-47,388.42-11,870.40

Finding the Fourth Proportional to 31,593.36, 47,388.42 and 11,870.40

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Solution

The fourth proportional to 31,593.36, 47,388.42 and 11,870.40 is: 17,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593.36 : 47,388.42 = 11,870.40 : x
  2. Step 2: Convert to fraction form
    31,593.36/47,388.42 = 11,870.40/x
  3. Step 3: Cross multiply
    31,593.36x = 47,388.42 × 11,870.40
  4. Step 4: Simplify right side
    31,593.36x = 562,519,500.77
  5. Step 5: Solve for x
    x = 562,519,500.77/31,593.36
  6. Step 6: Final answer
    x = 17,804.99

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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.