Home / 43,330.07-65,004.83-13,748.87

Finding the Fourth Proportional to 43,330.07, 65,004.83 and 13,748.87

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Solution

The fourth proportional to 43,330.07, 65,004.83 and 13,748.87 is: 20,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.07 : 65,004.83 = 13,748.87 : x
  2. Step 2: Convert to fraction form
    43,330.07/65,004.83 = 13,748.87/x
  3. Step 3: Cross multiply
    43,330.07x = 65,004.83 × 13,748.87
  4. Step 4: Simplify right side
    43,330.07x = 893,742,957.04
  5. Step 5: Solve for x
    x = 893,742,957.04/43,330.07
  6. Step 6: Final answer
    x = 20,626.39

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1.5x scale

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.