Home / 34,281.51-51,417.04-13,218.47

Finding the Fourth Proportional to 34,281.51, 51,417.04 and 13,218.47

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Solution

The fourth proportional to 34,281.51, 51,417.04 and 13,218.47 is: 19,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.51 : 51,417.04 = 13,218.47 : x
  2. Step 2: Convert to fraction form
    34,281.51/51,417.04 = 13,218.47/x
  3. Step 3: Cross multiply
    34,281.51x = 51,417.04 × 13,218.47
  4. Step 4: Simplify right side
    34,281.51x = 679,654,600.73
  5. Step 5: Solve for x
    x = 679,654,600.73/34,281.51
  6. Step 6: Final answer
    x = 19,825.69

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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.