Home / 42,836.34-64,254.52-11,671.59

Finding the Fourth Proportional to 42,836.34, 64,254.52 and 11,671.59

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Solution

The fourth proportional to 42,836.34, 64,254.52 and 11,671.59 is: 17,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.34 : 64,254.52 = 11,671.59 : x
  2. Step 2: Convert to fraction form
    42,836.34/64,254.52 = 11,671.59/x
  3. Step 3: Cross multiply
    42,836.34x = 64,254.52 × 11,671.59
  4. Step 4: Simplify right side
    42,836.34x = 749,952,602.98
  5. Step 5: Solve for x
    x = 749,952,602.98/42,836.34
  6. Step 6: Final answer
    x = 17,507.39

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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.