Home / 57,298.87-79,071.21-31,803.75

Finding the Fourth Proportional to 57,298.87, 79,071.21 and 31,803.75

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Solution

The fourth proportional to 57,298.87, 79,071.21 and 31,803.75 is: 43,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.87 : 79,071.21 = 31,803.75 : x
  2. Step 2: Convert to fraction form
    57,298.87/79,071.21 = 31,803.75/x
  3. Step 3: Cross multiply
    57,298.87x = 79,071.21 × 31,803.75
  4. Step 4: Simplify right side
    57,298.87x = 2,514,760,995.04
  5. Step 5: Solve for x
    x = 2,514,760,995.04/57,298.87
  6. Step 6: Final answer
    x = 43,888.49

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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.