Home / 56,849.04-78,450.73-31,357.88

Finding the Fourth Proportional to 56,849.04, 78,450.73 and 31,357.88

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Solution

The fourth proportional to 56,849.04, 78,450.73 and 31,357.88 is: 43,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.04 : 78,450.73 = 31,357.88 : x
  2. Step 2: Convert to fraction form
    56,849.04/78,450.73 = 31,357.88/x
  3. Step 3: Cross multiply
    56,849.04x = 78,450.73 × 31,357.88
  4. Step 4: Simplify right side
    56,849.04x = 2,460,048,842.08
  5. Step 5: Solve for x
    x = 2,460,048,842.08/56,849.04
  6. Step 6: Final answer
    x = 43,273.36

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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.