Home / 35,931.08-53,922.14-12,557.72

Finding the Fourth Proportional to 35,931.08, 53,922.14 and 12,557.72

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Solution

The fourth proportional to 35,931.08, 53,922.14 and 12,557.72 is: 18,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.08 : 53,922.14 = 12,557.72 : x
  2. Step 2: Convert to fraction form
    35,931.08/53,922.14 = 12,557.72/x
  3. Step 3: Cross multiply
    35,931.08x = 53,922.14 × 12,557.72
  4. Step 4: Simplify right side
    35,931.08x = 677,138,803.52
  5. Step 5: Solve for x
    x = 677,138,803.52/35,931.08
  6. Step 6: Final answer
    x = 18,845.49

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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.