Home / 56,826.69-78,421.38-31,334.07

Finding the Fourth Proportional to 56,826.69, 78,421.38 and 31,334.07

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Solution

The fourth proportional to 56,826.69, 78,421.38 and 31,334.07 is: 43,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,826.69 : 78,421.38 = 31,334.07 : x
  2. Step 2: Convert to fraction form
    56,826.69/78,421.38 = 31,334.07/x
  3. Step 3: Cross multiply
    56,826.69x = 78,421.38 × 31,334.07
  4. Step 4: Simplify right side
    56,826.69x = 2,457,261,065.64
  5. Step 5: Solve for x
    x = 2,457,261,065.64/56,826.69
  6. Step 6: Final answer
    x = 43,241.32

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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.