Home / 52,830.40-79,245.70-13,387.52

Finding the Fourth Proportional to 52,830.40, 79,245.70 and 13,387.52

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Solution

The fourth proportional to 52,830.40, 79,245.70 and 13,387.52 is: 20,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.40 : 79,245.70 = 13,387.52 : x
  2. Step 2: Convert to fraction form
    52,830.40/79,245.70 = 13,387.52/x
  3. Step 3: Cross multiply
    52,830.40x = 79,245.70 × 13,387.52
  4. Step 4: Simplify right side
    52,830.40x = 1,060,903,393.66
  5. Step 5: Solve for x
    x = 1,060,903,393.66/52,830.40
  6. Step 6: Final answer
    x = 20,081.31

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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.