Home / 55,802.42-77,008.14-30,308.88

Finding the Fourth Proportional to 55,802.42, 77,008.14 and 30,308.88

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Solution

The fourth proportional to 55,802.42, 77,008.14 and 30,308.88 is: 41,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.42 : 77,008.14 = 30,308.88 : x
  2. Step 2: Convert to fraction form
    55,802.42/77,008.14 = 30,308.88/x
  3. Step 3: Cross multiply
    55,802.42x = 77,008.14 × 30,308.88
  4. Step 4: Simplify right side
    55,802.42x = 2,334,030,474.28
  5. Step 5: Solve for x
    x = 2,334,030,474.28/55,802.42
  6. Step 6: Final answer
    x = 41,826.69

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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.