Home / 53,211.60-79,828.20-25,131.60

Finding the Fourth Proportional to 53,211.60, 79,828.20 and 25,131.60

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Solution

The fourth proportional to 53,211.60, 79,828.20 and 25,131.60 is: 37,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.60 : 79,828.20 = 25,131.60 : x
  2. Step 2: Convert to fraction form
    53,211.60/79,828.20 = 25,131.60/x
  3. Step 3: Cross multiply
    53,211.60x = 79,828.20 × 25,131.60
  4. Step 4: Simplify right side
    53,211.60x = 2,006,210,391.12
  5. Step 5: Solve for x
    x = 2,006,210,391.12/53,211.60
  6. Step 6: Final answer
    x = 37,702.50

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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.