Home / 43,124.40-64,686.60-11,534.40

Finding the Fourth Proportional to 43,124.40, 64,686.60 and 11,534.40

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Solution

The fourth proportional to 43,124.40, 64,686.60 and 11,534.40 is: 17,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.40 : 64,686.60 = 11,534.40 : x
  2. Step 2: Convert to fraction form
    43,124.40/64,686.60 = 11,534.40/x
  3. Step 3: Cross multiply
    43,124.40x = 64,686.60 × 11,534.40
  4. Step 4: Simplify right side
    43,124.40x = 746,121,119.04
  5. Step 5: Solve for x
    x = 746,121,119.04/43,124.40
  6. Step 6: Final answer
    x = 17,301.60

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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.