Home / 56,322.07-77,724.70-30,480.62

Finding the Fourth Proportional to 56,322.07, 77,724.70 and 30,480.62

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Solution

The fourth proportional to 56,322.07, 77,724.70 and 30,480.62 is: 42,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,322.07 : 77,724.70 = 30,480.62 : x
  2. Step 2: Convert to fraction form
    56,322.07/77,724.70 = 30,480.62/x
  3. Step 3: Cross multiply
    56,322.07x = 77,724.70 × 30,480.62
  4. Step 4: Simplify right side
    56,322.07x = 2,369,096,774.80
  5. Step 5: Solve for x
    x = 2,369,096,774.80/56,322.07
  6. Step 6: Final answer
    x = 42,063.39

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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.