Home / 30,946.83-42,703.11-17,335.40

Finding the Fourth Proportional to 30,946.83, 42,703.11 and 17,335.40

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Solution

The fourth proportional to 30,946.83, 42,703.11 and 17,335.40 is: 23,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.83 : 42,703.11 = 17,335.40 : x
  2. Step 2: Convert to fraction form
    30,946.83/42,703.11 = 17,335.40/x
  3. Step 3: Cross multiply
    30,946.83x = 42,703.11 × 17,335.40
  4. Step 4: Simplify right side
    30,946.83x = 740,275,279.58
  5. Step 5: Solve for x
    x = 740,275,279.58/30,946.83
  6. Step 6: Final answer
    x = 23,920.88

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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.