Home / 53,284.10-73,534.50-30,630.42

Finding the Fourth Proportional to 53,284.10, 73,534.50 and 30,630.42

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Solution

The fourth proportional to 53,284.10, 73,534.50 and 30,630.42 is: 42,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,284.10 : 73,534.50 = 30,630.42 : x
  2. Step 2: Convert to fraction form
    53,284.10/73,534.50 = 30,630.42/x
  3. Step 3: Cross multiply
    53,284.10x = 73,534.50 × 30,630.42
  4. Step 4: Simplify right side
    53,284.10x = 2,252,392,619.49
  5. Step 5: Solve for x
    x = 2,252,392,619.49/53,284.10
  6. Step 6: Final answer
    x = 42,271.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.