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Finding the Fourth Proportional to 63,977.60, 96,009.60 and 35,897.60

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Solution

The fourth proportional to 63,977.60, 96,009.60 and 35,897.60 is: 53,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,977.60 : 96,009.60 = 35,897.60 : x
  2. Step 2: Convert to fraction form
    63,977.60/96,009.60 = 35,897.60/x
  3. Step 3: Cross multiply
    63,977.60x = 96,009.60 × 35,897.60
  4. Step 4: Simplify right side
    63,977.60x = 3,446,514,216.96
  5. Step 5: Solve for x
    x = 3,446,514,216.96/63,977.60
  6. Step 6: Final answer
    x = 53,870.64

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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.