Home / 39,341.85-59,030.21-20,617.43

Finding the Fourth Proportional to 39,341.85, 59,030.21 and 20,617.43

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Solution

The fourth proportional to 39,341.85, 59,030.21 and 20,617.43 is: 30,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,341.85 : 59,030.21 = 20,617.43 : x
  2. Step 2: Convert to fraction form
    39,341.85/59,030.21 = 20,617.43/x
  3. Step 3: Cross multiply
    39,341.85x = 59,030.21 × 20,617.43
  4. Step 4: Simplify right side
    39,341.85x = 1,217,051,124.53
  5. Step 5: Solve for x
    x = 1,217,051,124.53/39,341.85
  6. Step 6: Final answer
    x = 30,935.28

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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.