Home / 40,676.95-56,094.76-31,721.19

Finding the Fourth Proportional to 40,676.95, 56,094.76 and 31,721.19

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Solution

The fourth proportional to 40,676.95, 56,094.76 and 31,721.19 is: 43,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,676.95 : 56,094.76 = 31,721.19 : x
  2. Step 2: Convert to fraction form
    40,676.95/56,094.76 = 31,721.19/x
  3. Step 3: Cross multiply
    40,676.95x = 56,094.76 × 31,721.19
  4. Step 4: Simplify right side
    40,676.95x = 1,779,392,369.26
  5. Step 5: Solve for x
    x = 1,779,392,369.26/40,676.95
  6. Step 6: Final answer
    x = 43,744.49

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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.