Home / 39,604.32-59,409.36-13,298.40

Finding the Fourth Proportional to 39,604.32, 59,409.36 and 13,298.40

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Solution

The fourth proportional to 39,604.32, 59,409.36 and 13,298.40 is: 19,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,604.32 : 59,409.36 = 13,298.40 : x
  2. Step 2: Convert to fraction form
    39,604.32/59,409.36 = 13,298.40/x
  3. Step 3: Cross multiply
    39,604.32x = 59,409.36 × 13,298.40
  4. Step 4: Simplify right side
    39,604.32x = 790,049,433.02
  5. Step 5: Solve for x
    x = 790,049,433.02/39,604.32
  6. Step 6: Final answer
    x = 19,948.57

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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.