Home / 31,595.32-47,389.10-19,750.13

Finding the Fourth Proportional to 31,595.32, 47,389.10 and 19,750.13

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Solution

The fourth proportional to 31,595.32, 47,389.10 and 19,750.13 is: 29,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.32 : 47,389.10 = 19,750.13 : x
  2. Step 2: Convert to fraction form
    31,595.32/47,389.10 = 19,750.13/x
  3. Step 3: Cross multiply
    31,595.32x = 47,389.10 × 19,750.13
  4. Step 4: Simplify right side
    31,595.32x = 935,940,838.69
  5. Step 5: Solve for x
    x = 935,940,838.69/31,595.32
  6. Step 6: Final answer
    x = 29,622.77

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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.