Home / 56,412.42-77,852.28-31,261.38

Finding the Fourth Proportional to 56,412.42, 77,852.28 and 31,261.38

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Solution

The fourth proportional to 56,412.42, 77,852.28 and 31,261.38 is: 43,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.42 : 77,852.28 = 31,261.38 : x
  2. Step 2: Convert to fraction form
    56,412.42/77,852.28 = 31,261.38/x
  3. Step 3: Cross multiply
    56,412.42x = 77,852.28 × 31,261.38
  4. Step 4: Simplify right side
    56,412.42x = 2,433,769,708.95
  5. Step 5: Solve for x
    x = 2,433,769,708.95/56,412.42
  6. Step 6: Final answer
    x = 43,142.44

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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.