Home / 30,279.04-45,423.36-10,552.08

Finding the Fourth Proportional to 30,279.04, 45,423.36 and 10,552.08

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Solution

The fourth proportional to 30,279.04, 45,423.36 and 10,552.08 is: 15,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.04 : 45,423.36 = 10,552.08 : x
  2. Step 2: Convert to fraction form
    30,279.04/45,423.36 = 10,552.08/x
  3. Step 3: Cross multiply
    30,279.04x = 45,423.36 × 10,552.08
  4. Step 4: Simplify right side
    30,279.04x = 479,310,928.59
  5. Step 5: Solve for x
    x = 479,310,928.59/30,279.04
  6. Step 6: Final answer
    x = 15,829.79

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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.