Home / 31,794.19-47,707.68-13,088.05

Finding the Fourth Proportional to 31,794.19, 47,707.68 and 13,088.05

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Solution

The fourth proportional to 31,794.19, 47,707.68 and 13,088.05 is: 19,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.19 : 47,707.68 = 13,088.05 : x
  2. Step 2: Convert to fraction form
    31,794.19/47,707.68 = 13,088.05/x
  3. Step 3: Cross multiply
    31,794.19x = 47,707.68 × 13,088.05
  4. Step 4: Simplify right side
    31,794.19x = 624,400,501.22
  5. Step 5: Solve for x
    x = 624,400,501.22/31,794.19
  6. Step 6: Final answer
    x = 19,638.82

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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.