Home / 42,952.95-64,431.05-11,790.63

Finding the Fourth Proportional to 42,952.95, 64,431.05 and 11,790.63

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Solution

The fourth proportional to 42,952.95, 64,431.05 and 11,790.63 is: 17,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,952.95 : 64,431.05 = 11,790.63 : x
  2. Step 2: Convert to fraction form
    42,952.95/64,431.05 = 11,790.63/x
  3. Step 3: Cross multiply
    42,952.95x = 64,431.05 × 11,790.63
  4. Step 4: Simplify right side
    42,952.95x = 759,682,612.11
  5. Step 5: Solve for x
    x = 759,682,612.11/42,952.95
  6. Step 6: Final answer
    x = 17,686.39

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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.