Home / 42,083.35-63,130.49-15,429.29

Finding the Fourth Proportional to 42,083.35, 63,130.49 and 15,429.29

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Solution

The fourth proportional to 42,083.35, 63,130.49 and 15,429.29 is: 23,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,083.35 : 63,130.49 = 15,429.29 : x
  2. Step 2: Convert to fraction form
    42,083.35/63,130.49 = 15,429.29/x
  3. Step 3: Cross multiply
    42,083.35x = 63,130.49 × 15,429.29
  4. Step 4: Simplify right side
    42,083.35x = 974,058,303.11
  5. Step 5: Solve for x
    x = 974,058,303.11/42,083.35
  6. Step 6: Final answer
    x = 23,145.93

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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.