Home / 56,768.63-78,343.13-31,618.13

Finding the Fourth Proportional to 56,768.63, 78,343.13 and 31,618.13

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Solution

The fourth proportional to 56,768.63, 78,343.13 and 31,618.13 is: 43,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.63 : 78,343.13 = 31,618.13 : x
  2. Step 2: Convert to fraction form
    56,768.63/78,343.13 = 31,618.13/x
  3. Step 3: Cross multiply
    56,768.63x = 78,343.13 × 31,618.13
  4. Step 4: Simplify right side
    56,768.63x = 2,477,063,268.95
  5. Step 5: Solve for x
    x = 2,477,063,268.95/56,768.63
  6. Step 6: Final answer
    x = 43,634.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.