Home / 56,469.34-77,928.73-30,977.01

Finding the Fourth Proportional to 56,469.34, 77,928.73 and 30,977.01

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Solution

The fourth proportional to 56,469.34, 77,928.73 and 30,977.01 is: 42,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,469.34 : 77,928.73 = 30,977.01 : x
  2. Step 2: Convert to fraction form
    56,469.34/77,928.73 = 30,977.01/x
  3. Step 3: Cross multiply
    56,469.34x = 77,928.73 × 30,977.01
  4. Step 4: Simplify right side
    56,469.34x = 2,413,998,893.61
  5. Step 5: Solve for x
    x = 2,413,998,893.61/56,469.34
  6. Step 6: Final answer
    x = 42,748.84

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1.5x scale

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.