Home / 56,318.15-77,715.89-30,824.46

Finding the Fourth Proportional to 56,318.15, 77,715.89 and 30,824.46

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Solution

The fourth proportional to 56,318.15, 77,715.89 and 30,824.46 is: 42,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,318.15 : 77,715.89 = 30,824.46 : x
  2. Step 2: Convert to fraction form
    56,318.15/77,715.89 = 30,824.46/x
  3. Step 3: Cross multiply
    56,318.15x = 77,715.89 × 30,824.46
  4. Step 4: Simplify right side
    56,318.15x = 2,395,550,304.14
  5. Step 5: Solve for x
    x = 2,395,550,304.14/56,318.15
  6. Step 6: Final answer
    x = 42,536.02

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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.