Home / 45,782.18-63,172.10-25,639.92

Finding the Fourth Proportional to 45,782.18, 63,172.10 and 25,639.92

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Solution

The fourth proportional to 45,782.18, 63,172.10 and 25,639.92 is: 35,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.18 : 63,172.10 = 25,639.92 : x
  2. Step 2: Convert to fraction form
    45,782.18/63,172.10 = 25,639.92/x
  3. Step 3: Cross multiply
    45,782.18x = 63,172.10 × 25,639.92
  4. Step 4: Simplify right side
    45,782.18x = 1,619,727,590.23
  5. Step 5: Solve for x
    x = 1,619,727,590.23/45,782.18
  6. Step 6: Final answer
    x = 35,379.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.