Home / 51,479.29-77,211.63-19,904.23

Finding the Fourth Proportional to 51,479.29, 77,211.63 and 19,904.23

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Solution

The fourth proportional to 51,479.29, 77,211.63 and 19,904.23 is: 29,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.29 : 77,211.63 = 19,904.23 : x
  2. Step 2: Convert to fraction form
    51,479.29/77,211.63 = 19,904.23/x
  3. Step 3: Cross multiply
    51,479.29x = 77,211.63 × 19,904.23
  4. Step 4: Simplify right side
    51,479.29x = 1,536,838,042.19
  5. Step 5: Solve for x
    x = 1,536,838,042.19/51,479.29
  6. Step 6: Final answer
    x = 29,853.52

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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.