Home / 35,931.92-53,897.98-12,558.36

Finding the Fourth Proportional to 35,931.92, 53,897.98 and 12,558.36

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Solution

The fourth proportional to 35,931.92, 53,897.98 and 12,558.36 is: 18,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.92 : 53,897.98 = 12,558.36 : x
  2. Step 2: Convert to fraction form
    35,931.92/53,897.98 = 12,558.36/x
  3. Step 3: Cross multiply
    35,931.92x = 53,897.98 × 12,558.36
  4. Step 4: Simplify right side
    35,931.92x = 676,870,236.11
  5. Step 5: Solve for x
    x = 676,870,236.11/35,931.92
  6. Step 6: Final answer
    x = 18,837.57

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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.