Home / 35,621.10-53,444.04-13,440.87

Finding the Fourth Proportional to 35,621.10, 53,444.04 and 13,440.87

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Solution

The fourth proportional to 35,621.10, 53,444.04 and 13,440.87 is: 20,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.10 : 53,444.04 = 13,440.87 : x
  2. Step 2: Convert to fraction form
    35,621.10/53,444.04 = 13,440.87/x
  3. Step 3: Cross multiply
    35,621.10x = 53,444.04 × 13,440.87
  4. Step 4: Simplify right side
    35,621.10x = 718,334,393.91
  5. Step 5: Solve for x
    x = 718,334,393.91/35,621.10
  6. Step 6: Final answer
    x = 20,165.98

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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.