Home / 57,032.41-78,705.23-31,540.49

Finding the Fourth Proportional to 57,032.41, 78,705.23 and 31,540.49

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Solution

The fourth proportional to 57,032.41, 78,705.23 and 31,540.49 is: 43,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,032.41 : 78,705.23 = 31,540.49 : x
  2. Step 2: Convert to fraction form
    57,032.41/78,705.23 = 31,540.49/x
  3. Step 3: Cross multiply
    57,032.41x = 78,705.23 × 31,540.49
  4. Step 4: Simplify right side
    57,032.41x = 2,482,401,519.76
  5. Step 5: Solve for x
    x = 2,482,401,519.76/57,032.41
  6. Step 6: Final answer
    x = 43,526.16

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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.