Home / 38,779.29-57,906.26-30,792.18

Finding the Fourth Proportional to 38,779.29, 57,906.26 and 30,792.18

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Solution

The fourth proportional to 38,779.29, 57,906.26 and 30,792.18 is: 45,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.29 : 57,906.26 = 30,792.18 : x
  2. Step 2: Convert to fraction form
    38,779.29/57,906.26 = 30,792.18/x
  3. Step 3: Cross multiply
    38,779.29x = 57,906.26 × 30,792.18
  4. Step 4: Simplify right side
    38,779.29x = 1,783,060,159.71
  5. Step 5: Solve for x
    x = 1,783,060,159.71/38,779.29
  6. Step 6: Final answer
    x = 45,979.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.