Home / 56,840.87-78,441.01-31,348.35

Finding the Fourth Proportional to 56,840.87, 78,441.01 and 31,348.35

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Solution

The fourth proportional to 56,840.87, 78,441.01 and 31,348.35 is: 43,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,840.87 : 78,441.01 = 31,348.35 : x
  2. Step 2: Convert to fraction form
    56,840.87/78,441.01 = 31,348.35/x
  3. Step 3: Cross multiply
    56,840.87x = 78,441.01 × 31,348.35
  4. Step 4: Simplify right side
    56,840.87x = 2,458,996,157.46
  5. Step 5: Solve for x
    x = 2,458,996,157.46/56,840.87
  6. Step 6: Final answer
    x = 43,261.06

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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.