Home / 34,254.68-47,269.40-19,913.45

Finding the Fourth Proportional to 34,254.68, 47,269.40 and 19,913.45

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Solution

The fourth proportional to 34,254.68, 47,269.40 and 19,913.45 is: 27,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,254.68 : 47,269.40 = 19,913.45 : x
  2. Step 2: Convert to fraction form
    34,254.68/47,269.40 = 19,913.45/x
  3. Step 3: Cross multiply
    34,254.68x = 47,269.40 × 19,913.45
  4. Step 4: Simplify right side
    34,254.68x = 941,296,497.52
  5. Step 5: Solve for x
    x = 941,296,497.52/34,254.68
  6. Step 6: Final answer
    x = 27,479.36

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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.