Home / 56,770.06-78,342.70-31,619.56

Finding the Fourth Proportional to 56,770.06, 78,342.70 and 31,619.56

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Solution

The fourth proportional to 56,770.06, 78,342.70 and 31,619.56 is: 43,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.06 : 78,342.70 = 31,619.56 : x
  2. Step 2: Convert to fraction form
    56,770.06/78,342.70 = 31,619.56/x
  3. Step 3: Cross multiply
    56,770.06x = 78,342.70 × 31,619.56
  4. Step 4: Simplify right side
    56,770.06x = 2,477,161,703.21
  5. Step 5: Solve for x
    x = 2,477,161,703.21/56,770.06
  6. Step 6: Final answer
    x = 43,635.00

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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.