Home / 30,279.76-45,426.92-9,503.26

Finding the Fourth Proportional to 30,279.76, 45,426.92 and 9,503.26

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Solution

The fourth proportional to 30,279.76, 45,426.92 and 9,503.26 is: 14,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.76 : 45,426.92 = 9,503.26 : x
  2. Step 2: Convert to fraction form
    30,279.76/45,426.92 = 9,503.26/x
  3. Step 3: Cross multiply
    30,279.76x = 45,426.92 × 9,503.26
  4. Step 4: Simplify right side
    30,279.76x = 431,703,831.76
  5. Step 5: Solve for x
    x = 431,703,831.76/30,279.76
  6. Step 6: Final answer
    x = 14,257.17

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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.