Home / 55,765.16-76,955.99-30,271.52

Finding the Fourth Proportional to 55,765.16, 76,955.99 and 30,271.52

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Solution

The fourth proportional to 55,765.16, 76,955.99 and 30,271.52 is: 41,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.16 : 76,955.99 = 30,271.52 : x
  2. Step 2: Convert to fraction form
    55,765.16/76,955.99 = 30,271.52/x
  3. Step 3: Cross multiply
    55,765.16x = 76,955.99 × 30,271.52
  4. Step 4: Simplify right side
    55,765.16x = 2,329,574,254.27
  5. Step 5: Solve for x
    x = 2,329,574,254.27/55,765.16
  6. Step 6: Final answer
    x = 41,774.72

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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.