Home / 43,023.52-64,502.08-13,423.84

Finding the Fourth Proportional to 43,023.52, 64,502.08 and 13,423.84

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Solution

The fourth proportional to 43,023.52, 64,502.08 and 13,423.84 is: 20,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.52 : 64,502.08 = 13,423.84 : x
  2. Step 2: Convert to fraction form
    43,023.52/64,502.08 = 13,423.84/x
  3. Step 3: Cross multiply
    43,023.52x = 64,502.08 × 13,423.84
  4. Step 4: Simplify right side
    43,023.52x = 865,865,601.59
  5. Step 5: Solve for x
    x = 865,865,601.59/43,023.52
  6. Step 6: Final answer
    x = 20,125.40

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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.