Home / 57,298.95-79,071.30-31,803.81

Finding the Fourth Proportional to 57,298.95, 79,071.30 and 31,803.81

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Solution

The fourth proportional to 57,298.95, 79,071.30 and 31,803.81 is: 43,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.95 : 79,071.30 = 31,803.81 : x
  2. Step 2: Convert to fraction form
    57,298.95/79,071.30 = 31,803.81/x
  3. Step 3: Cross multiply
    57,298.95x = 79,071.30 × 31,803.81
  4. Step 4: Simplify right side
    57,298.95x = 2,514,768,601.65
  5. Step 5: Solve for x
    x = 2,514,768,601.65/57,298.95
  6. Step 6: Final answer
    x = 43,888.56

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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.