Home / 55,852.68-77,076.90-30,702.36

Finding the Fourth Proportional to 55,852.68, 77,076.90 and 30,702.36

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Solution

The fourth proportional to 55,852.68, 77,076.90 and 30,702.36 is: 42,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,852.68 : 77,076.90 = 30,702.36 : x
  2. Step 2: Convert to fraction form
    55,852.68/77,076.90 = 30,702.36/x
  3. Step 3: Cross multiply
    55,852.68x = 77,076.90 × 30,702.36
  4. Step 4: Simplify right side
    55,852.68x = 2,366,442,731.48
  5. Step 5: Solve for x
    x = 2,366,442,731.48/55,852.68
  6. Step 6: Final answer
    x = 42,369.37

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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.