Home / 56,200.77-77,556.16-30,706.59

Finding the Fourth Proportional to 56,200.77, 77,556.16 and 30,706.59

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Solution

The fourth proportional to 56,200.77, 77,556.16 and 30,706.59 is: 42,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,200.77 : 77,556.16 = 30,706.59 : x
  2. Step 2: Convert to fraction form
    56,200.77/77,556.16 = 30,706.59/x
  3. Step 3: Cross multiply
    56,200.77x = 77,556.16 × 30,706.59
  4. Step 4: Simplify right side
    56,200.77x = 2,381,485,207.09
  5. Step 5: Solve for x
    x = 2,381,485,207.09/56,200.77
  6. Step 6: Final answer
    x = 42,374.60

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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.