Home / 34,218.40-51,298.80-17,802.40

Finding the Fourth Proportional to 34,218.40, 51,298.80 and 17,802.40

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Solution

The fourth proportional to 34,218.40, 51,298.80 and 17,802.40 is: 26,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.40 : 51,298.80 = 17,802.40 : x
  2. Step 2: Convert to fraction form
    34,218.40/51,298.80 = 17,802.40/x
  3. Step 3: Cross multiply
    34,218.40x = 51,298.80 × 17,802.40
  4. Step 4: Simplify right side
    34,218.40x = 913,241,757.12
  5. Step 5: Solve for x
    x = 913,241,757.12/34,218.40
  6. Step 6: Final answer
    x = 26,688.62

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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.