Home / 56,062.08-77,364.08-30,911.60

Finding the Fourth Proportional to 56,062.08, 77,364.08 and 30,911.60

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Solution

The fourth proportional to 56,062.08, 77,364.08 and 30,911.60 is: 42,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,062.08 : 77,364.08 = 30,911.60 : x
  2. Step 2: Convert to fraction form
    56,062.08/77,364.08 = 30,911.60/x
  3. Step 3: Cross multiply
    56,062.08x = 77,364.08 × 30,911.60
  4. Step 4: Simplify right side
    56,062.08x = 2,391,447,495.33
  5. Step 5: Solve for x
    x = 2,391,447,495.33/56,062.08
  6. Step 6: Final answer
    x = 42,657.13

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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.