Home / 39,516.32-59,270.28-13,218.08

Finding the Fourth Proportional to 39,516.32, 59,270.28 and 13,218.08

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Solution

The fourth proportional to 39,516.32, 59,270.28 and 13,218.08 is: 19,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.32 : 59,270.28 = 13,218.08 : x
  2. Step 2: Convert to fraction form
    39,516.32/59,270.28 = 13,218.08/x
  3. Step 3: Cross multiply
    39,516.32x = 59,270.28 × 13,218.08
  4. Step 4: Simplify right side
    39,516.32x = 783,439,302.66
  5. Step 5: Solve for x
    x = 783,439,302.66/39,516.32
  6. Step 6: Final answer
    x = 19,825.72

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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.