Home / 63,518.65-87,615.48-40,818.58

Finding the Fourth Proportional to 63,518.65, 87,615.48 and 40,818.58

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Solution

The fourth proportional to 63,518.65, 87,615.48 and 40,818.58 is: 56,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,518.65 : 87,615.48 = 40,818.58 : x
  2. Step 2: Convert to fraction form
    63,518.65/87,615.48 = 40,818.58/x
  3. Step 3: Cross multiply
    63,518.65x = 87,615.48 × 40,818.58
  4. Step 4: Simplify right side
    63,518.65x = 3,576,339,479.62
  5. Step 5: Solve for x
    x = 3,576,339,479.62/63,518.65
  6. Step 6: Final answer
    x = 56,303.77

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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.