Home / 55,875.23-77,107.82-30,724.73

Finding the Fourth Proportional to 55,875.23, 77,107.82 and 30,724.73

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Solution

The fourth proportional to 55,875.23, 77,107.82 and 30,724.73 is: 42,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,875.23 : 77,107.82 = 30,724.73 : x
  2. Step 2: Convert to fraction form
    55,875.23/77,107.82 = 30,724.73/x
  3. Step 3: Cross multiply
    55,875.23x = 77,107.82 × 30,724.73
  4. Step 4: Simplify right side
    55,875.23x = 2,369,117,393.35
  5. Step 5: Solve for x
    x = 2,369,117,393.35/55,875.23
  6. Step 6: Final answer
    x = 42,400.13

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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.