Home / 30,565.59-45,879.30-15,785.07

Finding the Fourth Proportional to 30,565.59, 45,879.30 and 15,785.07

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Solution

The fourth proportional to 30,565.59, 45,879.30 and 15,785.07 is: 23,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.59 : 45,879.30 = 15,785.07 : x
  2. Step 2: Convert to fraction form
    30,565.59/45,879.30 = 15,785.07/x
  3. Step 3: Cross multiply
    30,565.59x = 45,879.30 × 15,785.07
  4. Step 4: Simplify right side
    30,565.59x = 724,207,962.05
  5. Step 5: Solve for x
    x = 724,207,962.05/30,565.59
  6. Step 6: Final answer
    x = 23,693.57

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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.