Home / 42,665.19-63,998.70-13,082.37

Finding the Fourth Proportional to 42,665.19, 63,998.70 and 13,082.37

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Solution

The fourth proportional to 42,665.19, 63,998.70 and 13,082.37 is: 19,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,665.19 : 63,998.70 = 13,082.37 : x
  2. Step 2: Convert to fraction form
    42,665.19/63,998.70 = 13,082.37/x
  3. Step 3: Cross multiply
    42,665.19x = 63,998.70 × 13,082.37
  4. Step 4: Simplify right side
    42,665.19x = 837,254,352.93
  5. Step 5: Solve for x
    x = 837,254,352.93/42,665.19
  6. Step 6: Final answer
    x = 19,623.83

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1.5x scale

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.