Home / 34,345.12-47,392.32-19,235.68

Finding the Fourth Proportional to 34,345.12, 47,392.32 and 19,235.68

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Solution

The fourth proportional to 34,345.12, 47,392.32 and 19,235.68 is: 26,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,345.12 : 47,392.32 = 19,235.68 : x
  2. Step 2: Convert to fraction form
    34,345.12/47,392.32 = 19,235.68/x
  3. Step 3: Cross multiply
    34,345.12x = 47,392.32 × 19,235.68
  4. Step 4: Simplify right side
    34,345.12x = 911,623,501.98
  5. Step 5: Solve for x
    x = 911,623,501.98/34,345.12
  6. Step 6: Final answer
    x = 26,543.03

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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.