Home / 56,120.64-77,445.35-30,627.51

Finding the Fourth Proportional to 56,120.64, 77,445.35 and 30,627.51

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Solution

The fourth proportional to 56,120.64, 77,445.35 and 30,627.51 is: 42,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.64 : 77,445.35 = 30,627.51 : x
  2. Step 2: Convert to fraction form
    56,120.64/77,445.35 = 30,627.51/x
  3. Step 3: Cross multiply
    56,120.64x = 77,445.35 × 30,627.51
  4. Step 4: Simplify right side
    56,120.64x = 2,371,958,231.58
  5. Step 5: Solve for x
    x = 2,371,958,231.58/56,120.64
  6. Step 6: Final answer
    x = 42,265.35

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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.