Home / 53,009.40-79,514.10-30,847.80

Finding the Fourth Proportional to 53,009.40, 79,514.10 and 30,847.80

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Solution

The fourth proportional to 53,009.40, 79,514.10 and 30,847.80 is: 46,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.40 : 79,514.10 = 30,847.80 : x
  2. Step 2: Convert to fraction form
    53,009.40/79,514.10 = 30,847.80/x
  3. Step 3: Cross multiply
    53,009.40x = 79,514.10 × 30,847.80
  4. Step 4: Simplify right side
    53,009.40x = 2,452,835,053.98
  5. Step 5: Solve for x
    x = 2,452,835,053.98/53,009.40
  6. Step 6: Final answer
    x = 46,271.70

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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.