Home / 57,312.34-79,087.48-31,817.22

Finding the Fourth Proportional to 57,312.34, 79,087.48 and 31,817.22

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Solution

The fourth proportional to 57,312.34, 79,087.48 and 31,817.22 is: 43,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.34 : 79,087.48 = 31,817.22 : x
  2. Step 2: Convert to fraction form
    57,312.34/79,087.48 = 31,817.22/x
  3. Step 3: Cross multiply
    57,312.34x = 79,087.48 × 31,817.22
  4. Step 4: Simplify right side
    57,312.34x = 2,516,343,750.41
  5. Step 5: Solve for x
    x = 2,516,343,750.41/57,312.34
  6. Step 6: Final answer
    x = 43,905.79

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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.