Home / 47,490.14-65,507.84-31,357.60

Finding the Fourth Proportional to 47,490.14, 65,507.84 and 31,357.60

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Solution

The fourth proportional to 47,490.14, 65,507.84 and 31,357.60 is: 43,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,490.14 : 65,507.84 = 31,357.60 : x
  2. Step 2: Convert to fraction form
    47,490.14/65,507.84 = 31,357.60/x
  3. Step 3: Cross multiply
    47,490.14x = 65,507.84 × 31,357.60
  4. Step 4: Simplify right side
    47,490.14x = 2,054,168,440.62
  5. Step 5: Solve for x
    x = 2,054,168,440.62/47,490.14
  6. Step 6: Final answer
    x = 43,254.63

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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.