Home / 56,151.08-77,485.16-30,652.37

Finding the Fourth Proportional to 56,151.08, 77,485.16 and 30,652.37

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Solution

The fourth proportional to 56,151.08, 77,485.16 and 30,652.37 is: 42,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151.08 : 77,485.16 = 30,652.37 : x
  2. Step 2: Convert to fraction form
    56,151.08/77,485.16 = 30,652.37/x
  3. Step 3: Cross multiply
    56,151.08x = 77,485.16 × 30,652.37
  4. Step 4: Simplify right side
    56,151.08x = 2,375,103,406.40
  5. Step 5: Solve for x
    x = 2,375,103,406.40/56,151.08
  6. Step 6: Final answer
    x = 42,298.45

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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.