Home / 30,426.89-45,565.81-25,129.49

Finding the Fourth Proportional to 30,426.89, 45,565.81 and 25,129.49

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Solution

The fourth proportional to 30,426.89, 45,565.81 and 25,129.49 is: 37,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.89 : 45,565.81 = 25,129.49 : x
  2. Step 2: Convert to fraction form
    30,426.89/45,565.81 = 25,129.49/x
  3. Step 3: Cross multiply
    30,426.89x = 45,565.81 × 25,129.49
  4. Step 4: Simplify right side
    30,426.89x = 1,145,045,276.08
  5. Step 5: Solve for x
    x = 1,145,045,276.08/30,426.89
  6. Step 6: Final answer
    x = 37,632.68

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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.