Home / 56,845.35-78,447.09-31,352.70

Finding the Fourth Proportional to 56,845.35, 78,447.09 and 31,352.70

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Solution

The fourth proportional to 56,845.35, 78,447.09 and 31,352.70 is: 43,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,845.35 : 78,447.09 = 31,352.70 : x
  2. Step 2: Convert to fraction form
    56,845.35/78,447.09 = 31,352.70/x
  3. Step 3: Cross multiply
    56,845.35x = 78,447.09 × 31,352.70
  4. Step 4: Simplify right side
    56,845.35x = 2,459,528,078.64
  5. Step 5: Solve for x
    x = 2,459,528,078.64/56,845.35
  6. Step 6: Final answer
    x = 43,267.01

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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.