Home / 42,285.95-63,350.62-21,201.38

Finding the Fourth Proportional to 42,285.95, 63,350.62 and 21,201.38

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Solution

The fourth proportional to 42,285.95, 63,350.62 and 21,201.38 is: 31,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.95 : 63,350.62 = 21,201.38 : x
  2. Step 2: Convert to fraction form
    42,285.95/63,350.62 = 21,201.38/x
  3. Step 3: Cross multiply
    42,285.95x = 63,350.62 × 21,201.38
  4. Step 4: Simplify right side
    42,285.95x = 1,343,120,567.86
  5. Step 5: Solve for x
    x = 1,343,120,567.86/42,285.95
  6. Step 6: Final answer
    x = 31,762.81

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1.5x scale

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.