Home / 53,070.47-79,540.09-26,782.73

Finding the Fourth Proportional to 53,070.47, 79,540.09 and 26,782.73

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Solution

The fourth proportional to 53,070.47, 79,540.09 and 26,782.73 is: 40,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,070.47 : 79,540.09 = 26,782.73 : x
  2. Step 2: Convert to fraction form
    53,070.47/79,540.09 = 26,782.73/x
  3. Step 3: Cross multiply
    53,070.47x = 79,540.09 × 26,782.73
  4. Step 4: Simplify right side
    53,070.47x = 2,130,300,754.65
  5. Step 5: Solve for x
    x = 2,130,300,754.65/53,070.47
  6. Step 6: Final answer
    x = 40,140.98

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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.