Home / 30,473.32-42,048.98-17,043.88

Finding the Fourth Proportional to 30,473.32, 42,048.98 and 17,043.88

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Solution

The fourth proportional to 30,473.32, 42,048.98 and 17,043.88 is: 23,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.32 : 42,048.98 = 17,043.88 : x
  2. Step 2: Convert to fraction form
    30,473.32/42,048.98 = 17,043.88/x
  3. Step 3: Cross multiply
    30,473.32x = 42,048.98 × 17,043.88
  4. Step 4: Simplify right side
    30,473.32x = 716,677,769.24
  5. Step 5: Solve for x
    x = 716,677,769.24/30,473.32
  6. Step 6: Final answer
    x = 23,518.20

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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.