Home / 42,935.56-64,402.18-19,236.67

Finding the Fourth Proportional to 42,935.56, 64,402.18 and 19,236.67

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Solution

The fourth proportional to 42,935.56, 64,402.18 and 19,236.67 is: 28,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,935.56 : 64,402.18 = 19,236.67 : x
  2. Step 2: Convert to fraction form
    42,935.56/64,402.18 = 19,236.67/x
  3. Step 3: Cross multiply
    42,935.56x = 64,402.18 × 19,236.67
  4. Step 4: Simplify right side
    42,935.56x = 1,238,883,274.84
  5. Step 5: Solve for x
    x = 1,238,883,274.84/42,935.56
  6. Step 6: Final answer
    x = 28,854.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.