Home / 38,768.86-58,417.08-31,902.86

Finding the Fourth Proportional to 38,768.86, 58,417.08 and 31,902.86

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Solution

The fourth proportional to 38,768.86, 58,417.08 and 31,902.86 is: 48,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768.86 : 58,417.08 = 31,902.86 : x
  2. Step 2: Convert to fraction form
    38,768.86/58,417.08 = 31,902.86/x
  3. Step 3: Cross multiply
    38,768.86x = 58,417.08 × 31,902.86
  4. Step 4: Simplify right side
    38,768.86x = 1,863,671,924.85
  5. Step 5: Solve for x
    x = 1,863,671,924.85/38,768.86
  6. Step 6: Final answer
    x = 48,071.36

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1.5x scale

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.