Home / 34,307.56-47,342.82-19,400.68

Finding the Fourth Proportional to 34,307.56, 47,342.82 and 19,400.68

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Solution

The fourth proportional to 34,307.56, 47,342.82 and 19,400.68 is: 26,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.56 : 47,342.82 = 19,400.68 : x
  2. Step 2: Convert to fraction form
    34,307.56/47,342.82 = 19,400.68/x
  3. Step 3: Cross multiply
    34,307.56x = 47,342.82 × 19,400.68
  4. Step 4: Simplify right side
    34,307.56x = 918,482,901.12
  5. Step 5: Solve for x
    x = 918,482,901.12/34,307.56
  6. Step 6: Final answer
    x = 26,772.03

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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.