Home / 55,825.30-77,038.05-30,674.26

Finding the Fourth Proportional to 55,825.30, 77,038.05 and 30,674.26

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Solution

The fourth proportional to 55,825.30, 77,038.05 and 30,674.26 is: 42,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.30 : 77,038.05 = 30,674.26 : x
  2. Step 2: Convert to fraction form
    55,825.30/77,038.05 = 30,674.26/x
  3. Step 3: Cross multiply
    55,825.30x = 77,038.05 × 30,674.26
  4. Step 4: Simplify right side
    55,825.30x = 2,363,085,175.59
  5. Step 5: Solve for x
    x = 2,363,085,175.59/55,825.30
  6. Step 6: Final answer
    x = 42,330.00

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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.