Home / 56,762.06-78,334.08-31,611.56

Finding the Fourth Proportional to 56,762.06, 78,334.08 and 31,611.56

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Solution

The fourth proportional to 56,762.06, 78,334.08 and 31,611.56 is: 43,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.06 : 78,334.08 = 31,611.56 : x
  2. Step 2: Convert to fraction form
    56,762.06/78,334.08 = 31,611.56/x
  3. Step 3: Cross multiply
    56,762.06x = 78,334.08 × 31,611.56
  4. Step 4: Simplify right side
    56,762.06x = 2,476,262,547.26
  5. Step 5: Solve for x
    x = 2,476,262,547.26/56,762.06
  6. Step 6: Final answer
    x = 43,625.31

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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.