Home / 56,164.08-77,506.57-30,670.49

Finding the Fourth Proportional to 56,164.08, 77,506.57 and 30,670.49

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Solution

The fourth proportional to 56,164.08, 77,506.57 and 30,670.49 is: 42,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,164.08 : 77,506.57 = 30,670.49 : x
  2. Step 2: Convert to fraction form
    56,164.08/77,506.57 = 30,670.49/x
  3. Step 3: Cross multiply
    56,164.08x = 77,506.57 × 30,670.49
  4. Step 4: Simplify right side
    56,164.08x = 2,377,164,712.22
  5. Step 5: Solve for x
    x = 2,377,164,712.22/56,164.08
  6. Step 6: Final answer
    x = 42,325.36

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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.