Home / 39,646.56-59,406.72-20,925.92

Finding the Fourth Proportional to 39,646.56, 59,406.72 and 20,925.92

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Solution

The fourth proportional to 39,646.56, 59,406.72 and 20,925.92 is: 31,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.56 : 59,406.72 = 20,925.92 : x
  2. Step 2: Convert to fraction form
    39,646.56/59,406.72 = 20,925.92/x
  3. Step 3: Cross multiply
    39,646.56x = 59,406.72 × 20,925.92
  4. Step 4: Simplify right side
    39,646.56x = 1,243,140,270.18
  5. Step 5: Solve for x
    x = 1,243,140,270.18/39,646.56
  6. Step 6: Final answer
    x = 31,355.56

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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.