Home / 56,164.28-77,506.85-30,670.85

Finding the Fourth Proportional to 56,164.28, 77,506.85 and 30,670.85

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Solution

The fourth proportional to 56,164.28, 77,506.85 and 30,670.85 is: 42,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,164.28 : 77,506.85 = 30,670.85 : x
  2. Step 2: Convert to fraction form
    56,164.28/77,506.85 = 30,670.85/x
  3. Step 3: Cross multiply
    56,164.28x = 77,506.85 × 30,670.85
  4. Step 4: Simplify right side
    56,164.28x = 2,377,200,970.32
  5. Step 5: Solve for x
    x = 2,377,200,970.32/56,164.28
  6. Step 6: Final answer
    x = 42,325.85

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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.