Home / 57,925.10-86,897.93-20,506.86

Finding the Fourth Proportional to 57,925.10, 86,897.93 and 20,506.86

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Solution

The fourth proportional to 57,925.10, 86,897.93 and 20,506.86 is: 30,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,925.10 : 86,897.93 = 20,506.86 : x
  2. Step 2: Convert to fraction form
    57,925.10/86,897.93 = 20,506.86/x
  3. Step 3: Cross multiply
    57,925.10x = 86,897.93 × 20,506.86
  4. Step 4: Simplify right side
    57,925.10x = 1,782,003,684.80
  5. Step 5: Solve for x
    x = 1,782,003,684.80/57,925.10
  6. Step 6: Final answer
    x = 30,763.93

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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.