Home / 39,652.56-59,415.72-20,931.92

Finding the Fourth Proportional to 39,652.56, 59,415.72 and 20,931.92

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Solution

The fourth proportional to 39,652.56, 59,415.72 and 20,931.92 is: 31,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.56 : 59,415.72 = 20,931.92 : x
  2. Step 2: Convert to fraction form
    39,652.56/59,415.72 = 20,931.92/x
  3. Step 3: Cross multiply
    39,652.56x = 59,415.72 × 20,931.92
  4. Step 4: Simplify right side
    39,652.56x = 1,243,685,097.78
  5. Step 5: Solve for x
    x = 1,243,685,097.78/39,652.56
  6. Step 6: Final answer
    x = 31,364.56

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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.