Home / 35,966.40-53,946.72-12,271.92

Finding the Fourth Proportional to 35,966.40, 53,946.72 and 12,271.92

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Solution

The fourth proportional to 35,966.40, 53,946.72 and 12,271.92 is: 18,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966.40 : 53,946.72 = 12,271.92 : x
  2. Step 2: Convert to fraction form
    35,966.40/53,946.72 = 12,271.92/x
  3. Step 3: Cross multiply
    35,966.40x = 53,946.72 × 12,271.92
  4. Step 4: Simplify right side
    35,966.40x = 662,029,832.10
  5. Step 5: Solve for x
    x = 662,029,832.10/35,966.40
  6. Step 6: Final answer
    x = 18,406.90

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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.