Home / 57,298.51-79,070.41-31,804.80

Finding the Fourth Proportional to 57,298.51, 79,070.41 and 31,804.80

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Solution

The fourth proportional to 57,298.51, 79,070.41 and 31,804.80 is: 43,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.51 : 79,070.41 = 31,804.80 : x
  2. Step 2: Convert to fraction form
    57,298.51/79,070.41 = 31,804.80/x
  3. Step 3: Cross multiply
    57,298.51x = 79,070.41 × 31,804.80
  4. Step 4: Simplify right side
    57,298.51x = 2,514,818,575.97
  5. Step 5: Solve for x
    x = 2,514,818,575.97/57,298.51
  6. Step 6: Final answer
    x = 43,889.77

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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.