Home / 30,456.59-45,653.76-17,281.13

Finding the Fourth Proportional to 30,456.59, 45,653.76 and 17,281.13

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Solution

The fourth proportional to 30,456.59, 45,653.76 and 17,281.13 is: 25,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456.59 : 45,653.76 = 17,281.13 : x
  2. Step 2: Convert to fraction form
    30,456.59/45,653.76 = 17,281.13/x
  3. Step 3: Cross multiply
    30,456.59x = 45,653.76 × 17,281.13
  4. Step 4: Simplify right side
    30,456.59x = 788,948,333.28
  5. Step 5: Solve for x
    x = 788,948,333.28/30,456.59
  6. Step 6: Final answer
    x = 25,904.03

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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.