Home / 56,488.14-77,955.08-30,995.60

Finding the Fourth Proportional to 56,488.14, 77,955.08 and 30,995.60

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Solution

The fourth proportional to 56,488.14, 77,955.08 and 30,995.60 is: 42,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.14 : 77,955.08 = 30,995.60 : x
  2. Step 2: Convert to fraction form
    56,488.14/77,955.08 = 30,995.60/x
  3. Step 3: Cross multiply
    56,488.14x = 77,955.08 × 30,995.60
  4. Step 4: Simplify right side
    56,488.14x = 2,416,263,932.89
  5. Step 5: Solve for x
    x = 2,416,263,932.89/56,488.14
  6. Step 6: Final answer
    x = 42,774.71

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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.