Home / 43,047.60-64,561.12-18,088.12

Finding the Fourth Proportional to 43,047.60, 64,561.12 and 18,088.12

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Solution

The fourth proportional to 43,047.60, 64,561.12 and 18,088.12 is: 27,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047.60 : 64,561.12 = 18,088.12 : x
  2. Step 2: Convert to fraction form
    43,047.60/64,561.12 = 18,088.12/x
  3. Step 3: Cross multiply
    43,047.60x = 64,561.12 × 18,088.12
  4. Step 4: Simplify right side
    43,047.60x = 1,167,789,285.89
  5. Step 5: Solve for x
    x = 1,167,789,285.89/43,047.60
  6. Step 6: Final answer
    x = 27,127.86

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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.