Home / 43,271.71-64,903.91-13,685.24

Finding the Fourth Proportional to 43,271.71, 64,903.91 and 13,685.24

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Solution

The fourth proportional to 43,271.71, 64,903.91 and 13,685.24 is: 20,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,271.71 : 64,903.91 = 13,685.24 : x
  2. Step 2: Convert to fraction form
    43,271.71/64,903.91 = 13,685.24/x
  3. Step 3: Cross multiply
    43,271.71x = 64,903.91 × 13,685.24
  4. Step 4: Simplify right side
    43,271.71x = 888,225,585.29
  5. Step 5: Solve for x
    x = 888,225,585.29/43,271.71
  6. Step 6: Final answer
    x = 20,526.70

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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.