Home / 42,760.32-64,036.80-29,575.68

Finding the Fourth Proportional to 42,760.32, 64,036.80 and 29,575.68

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Solution

The fourth proportional to 42,760.32, 64,036.80 and 29,575.68 is: 44,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,760.32 : 64,036.80 = 29,575.68 : x
  2. Step 2: Convert to fraction form
    42,760.32/64,036.80 = 29,575.68/x
  3. Step 3: Cross multiply
    42,760.32x = 64,036.80 × 29,575.68
  4. Step 4: Simplify right side
    42,760.32x = 1,893,931,905.02
  5. Step 5: Solve for x
    x = 1,893,931,905.02/42,760.32
  6. Step 6: Final answer
    x = 44,291.81

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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.