Home / 56,259.69-77,611.93-40,130.56

Finding the Fourth Proportional to 56,259.69, 77,611.93 and 40,130.56

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Solution

The fourth proportional to 56,259.69, 77,611.93 and 40,130.56 is: 55,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,259.69 : 77,611.93 = 40,130.56 : x
  2. Step 2: Convert to fraction form
    56,259.69/77,611.93 = 40,130.56/x
  3. Step 3: Cross multiply
    56,259.69x = 77,611.93 × 40,130.56
  4. Step 4: Simplify right side
    56,259.69x = 3,114,610,213.58
  5. Step 5: Solve for x
    x = 3,114,610,213.58/56,259.69
  6. Step 6: Final answer
    x = 55,361.31

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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.