Home / 56,165.97-77,507.89-30,671.35

Finding the Fourth Proportional to 56,165.97, 77,507.89 and 30,671.35

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Solution

The fourth proportional to 56,165.97, 77,507.89 and 30,671.35 is: 42,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.97 : 77,507.89 = 30,671.35 : x
  2. Step 2: Convert to fraction form
    56,165.97/77,507.89 = 30,671.35/x
  3. Step 3: Cross multiply
    56,165.97x = 77,507.89 × 30,671.35
  4. Step 4: Simplify right side
    56,165.97x = 2,377,271,621.95
  5. Step 5: Solve for x
    x = 2,377,271,621.95/56,165.97
  6. Step 6: Final answer
    x = 42,325.84

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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.