Home / 39,944.28-59,862.96-18,889.92

Finding the Fourth Proportional to 39,944.28, 59,862.96 and 18,889.92

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Solution

The fourth proportional to 39,944.28, 59,862.96 and 18,889.92 is: 28,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.28 : 59,862.96 = 18,889.92 : x
  2. Step 2: Convert to fraction form
    39,944.28/59,862.96 = 18,889.92/x
  3. Step 3: Cross multiply
    39,944.28x = 59,862.96 × 18,889.92
  4. Step 4: Simplify right side
    39,944.28x = 1,130,806,525.36
  5. Step 5: Solve for x
    x = 1,130,806,525.36/39,944.28
  6. Step 6: Final answer
    x = 28,309.60

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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.