Home / 56,432.54-77,877.79-30,941.24

Finding the Fourth Proportional to 56,432.54, 77,877.79 and 30,941.24

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Solution

The fourth proportional to 56,432.54, 77,877.79 and 30,941.24 is: 42,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,432.54 : 77,877.79 = 30,941.24 : x
  2. Step 2: Convert to fraction form
    56,432.54/77,877.79 = 30,941.24/x
  3. Step 3: Cross multiply
    56,432.54x = 77,877.79 × 30,941.24
  4. Step 4: Simplify right side
    56,432.54x = 2,409,634,846.96
  5. Step 5: Solve for x
    x = 2,409,634,846.96/56,432.54
  6. Step 6: Final answer
    x = 42,699.39

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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.