Home / 57,420.23-79,238.44-31,925.28

Finding the Fourth Proportional to 57,420.23, 79,238.44 and 31,925.28

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Solution

The fourth proportional to 57,420.23, 79,238.44 and 31,925.28 is: 44,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.23 : 79,238.44 = 31,925.28 : x
  2. Step 2: Convert to fraction form
    57,420.23/79,238.44 = 31,925.28/x
  3. Step 3: Cross multiply
    57,420.23x = 79,238.44 × 31,925.28
  4. Step 4: Simplify right side
    57,420.23x = 2,529,709,383.76
  5. Step 5: Solve for x
    x = 2,529,709,383.76/57,420.23
  6. Step 6: Final answer
    x = 44,056.06

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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.