Home / 38,765.35-58,411.80-31,899.35

Finding the Fourth Proportional to 38,765.35, 58,411.80 and 31,899.35

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Solution

The fourth proportional to 38,765.35, 58,411.80 and 31,899.35 is: 48,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765.35 : 58,411.80 = 31,899.35 : x
  2. Step 2: Convert to fraction form
    38,765.35/58,411.80 = 31,899.35/x
  3. Step 3: Cross multiply
    38,765.35x = 58,411.80 × 31,899.35
  4. Step 4: Simplify right side
    38,765.35x = 1,863,298,598.36
  5. Step 5: Solve for x
    x = 1,863,298,598.36/38,765.35
  6. Step 6: Final answer
    x = 48,066.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.