Home / 39,342.18-59,030.72-20,617.77

Finding the Fourth Proportional to 39,342.18, 59,030.72 and 20,617.77

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Solution

The fourth proportional to 39,342.18, 59,030.72 and 20,617.77 is: 30,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342.18 : 59,030.72 = 20,617.77 : x
  2. Step 2: Convert to fraction form
    39,342.18/59,030.72 = 20,617.77/x
  3. Step 3: Cross multiply
    39,342.18x = 59,030.72 × 20,617.77
  4. Step 4: Simplify right side
    39,342.18x = 1,217,081,409.65
  5. Step 5: Solve for x
    x = 1,217,081,409.65/39,342.18
  6. Step 6: Final answer
    x = 30,935.79

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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.