Home / 38,875.86-58,318.54-13,918.54

Finding the Fourth Proportional to 38,875.86, 58,318.54 and 13,918.54

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Solution

The fourth proportional to 38,875.86, 58,318.54 and 13,918.54 is: 20,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,875.86 : 58,318.54 = 13,918.54 : x
  2. Step 2: Convert to fraction form
    38,875.86/58,318.54 = 13,918.54/x
  3. Step 3: Cross multiply
    38,875.86x = 58,318.54 × 13,918.54
  4. Step 4: Simplify right side
    38,875.86x = 811,708,931.73
  5. Step 5: Solve for x
    x = 811,708,931.73/38,875.86
  6. Step 6: Final answer
    x = 20,879.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.