Home / 43,271.01-64,908.95-21,103.34

Finding the Fourth Proportional to 43,271.01, 64,908.95 and 21,103.34

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Solution

The fourth proportional to 43,271.01, 64,908.95 and 21,103.34 is: 31,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,271.01 : 64,908.95 = 21,103.34 : x
  2. Step 2: Convert to fraction form
    43,271.01/64,908.95 = 21,103.34/x
  3. Step 3: Cross multiply
    43,271.01x = 64,908.95 × 21,103.34
  4. Step 4: Simplify right side
    43,271.01x = 1,369,795,210.83
  5. Step 5: Solve for x
    x = 1,369,795,210.83/43,271.01
  6. Step 6: Final answer
    x = 31,656.19

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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.