Home / 34,054.05-47,017.74-21,312.39

Finding the Fourth Proportional to 34,054.05, 47,017.74 and 21,312.39

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Solution

The fourth proportional to 34,054.05, 47,017.74 and 21,312.39 is: 29,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,054.05 : 47,017.74 = 21,312.39 : x
  2. Step 2: Convert to fraction form
    34,054.05/47,017.74 = 21,312.39/x
  3. Step 3: Cross multiply
    34,054.05x = 47,017.74 × 21,312.39
  4. Step 4: Simplify right side
    34,054.05x = 1,002,060,411.80
  5. Step 5: Solve for x
    x = 1,002,060,411.80/34,054.05
  6. Step 6: Final answer
    x = 29,425.59

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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.