Home / 42,761.07-64,141.61-11,595.51

Finding the Fourth Proportional to 42,761.07, 64,141.61 and 11,595.51

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Solution

The fourth proportional to 42,761.07, 64,141.61 and 11,595.51 is: 17,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,761.07 : 64,141.61 = 11,595.51 : x
  2. Step 2: Convert to fraction form
    42,761.07/64,141.61 = 11,595.51/x
  3. Step 3: Cross multiply
    42,761.07x = 64,141.61 × 11,595.51
  4. Step 4: Simplify right side
    42,761.07x = 743,754,622.19
  5. Step 5: Solve for x
    x = 743,754,622.19/42,761.07
  6. Step 6: Final answer
    x = 17,393.27

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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.