Home / 56,180.10-77,528.93-31,029.60

Finding the Fourth Proportional to 56,180.10, 77,528.93 and 31,029.60

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Solution

The fourth proportional to 56,180.10, 77,528.93 and 31,029.60 is: 42,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180.10 : 77,528.93 = 31,029.60 : x
  2. Step 2: Convert to fraction form
    56,180.10/77,528.93 = 31,029.60/x
  3. Step 3: Cross multiply
    56,180.10x = 77,528.93 × 31,029.60
  4. Step 4: Simplify right side
    56,180.10x = 2,405,691,376.26
  5. Step 5: Solve for x
    x = 2,405,691,376.26/56,180.10
  6. Step 6: Final answer
    x = 42,821.06

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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.