Home / 31,730.45-47,595.73-8,038.00

Finding the Fourth Proportional to 31,730.45, 47,595.73 and 8,038.00

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Solution

The fourth proportional to 31,730.45, 47,595.73 and 8,038.00 is: 12,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.45 : 47,595.73 = 8,038.00 : x
  2. Step 2: Convert to fraction form
    31,730.45/47,595.73 = 8,038.00/x
  3. Step 3: Cross multiply
    31,730.45x = 47,595.73 × 8,038.00
  4. Step 4: Simplify right side
    31,730.45x = 382,574,239.76
  5. Step 5: Solve for x
    x = 382,574,239.76/31,730.45
  6. Step 6: Final answer
    x = 12,057.01

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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.