Home / 56,913.63-78,548.73-31,764.75

Finding the Fourth Proportional to 56,913.63, 78,548.73 and 31,764.75

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Solution

The fourth proportional to 56,913.63, 78,548.73 and 31,764.75 is: 43,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.63 : 78,548.73 = 31,764.75 : x
  2. Step 2: Convert to fraction form
    56,913.63/78,548.73 = 31,764.75/x
  3. Step 3: Cross multiply
    56,913.63x = 78,548.73 × 31,764.75
  4. Step 4: Simplify right side
    56,913.63x = 2,495,080,771.27
  5. Step 5: Solve for x
    x = 2,495,080,771.27/56,913.63
  6. Step 6: Final answer
    x = 43,839.78

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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.