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Finding the Fourth Proportional to 56,053.82, 77,354.80 and 30,904.22

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Solution

The fourth proportional to 56,053.82, 77,354.80 and 30,904.22 is: 42,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.82 : 77,354.80 = 30,904.22 : x
  2. Step 2: Convert to fraction form
    56,053.82/77,354.80 = 30,904.22/x
  3. Step 3: Cross multiply
    56,053.82x = 77,354.80 × 30,904.22
  4. Step 4: Simplify right side
    56,053.82x = 2,390,589,757.26
  5. Step 5: Solve for x
    x = 2,390,589,757.26/56,053.82
  6. Step 6: Final answer
    x = 42,648.11

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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.