Home / 30,470.58-42,051.45-17,043.08

Finding the Fourth Proportional to 30,470.58, 42,051.45 and 17,043.08

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Solution

The fourth proportional to 30,470.58, 42,051.45 and 17,043.08 is: 23,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470.58 : 42,051.45 = 17,043.08 : x
  2. Step 2: Convert to fraction form
    30,470.58/42,051.45 = 17,043.08/x
  3. Step 3: Cross multiply
    30,470.58x = 42,051.45 × 17,043.08
  4. Step 4: Simplify right side
    30,470.58x = 716,686,080.12
  5. Step 5: Solve for x
    x = 716,686,080.12/30,470.58
  6. Step 6: Final answer
    x = 23,520.59

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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.