Home / 56,117.84-77,441.81-31,921.43

Finding the Fourth Proportional to 56,117.84, 77,441.81 and 31,921.43

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Solution

The fourth proportional to 56,117.84, 77,441.81 and 31,921.43 is: 44,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,117.84 : 77,441.81 = 31,921.43 : x
  2. Step 2: Convert to fraction form
    56,117.84/77,441.81 = 31,921.43/x
  3. Step 3: Cross multiply
    56,117.84x = 77,441.81 × 31,921.43
  4. Step 4: Simplify right side
    56,117.84x = 2,472,052,770.17
  5. Step 5: Solve for x
    x = 2,472,052,770.17/56,117.84
  6. Step 6: Final answer
    x = 44,051.11

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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.