Home / 53,288.40-79,834.20-31,112.40

Finding the Fourth Proportional to 53,288.40, 79,834.20 and 31,112.40

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Solution

The fourth proportional to 53,288.40, 79,834.20 and 31,112.40 is: 46,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,288.40 : 79,834.20 = 31,112.40 : x
  2. Step 2: Convert to fraction form
    53,288.40/79,834.20 = 31,112.40/x
  3. Step 3: Cross multiply
    53,288.40x = 79,834.20 × 31,112.40
  4. Step 4: Simplify right side
    53,288.40x = 2,483,833,564.08
  5. Step 5: Solve for x
    x = 2,483,833,564.08/53,288.40
  6. Step 6: Final answer
    x = 46,611.15

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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.