Home / 39,701.13-54,783.72-22,705.71

Finding the Fourth Proportional to 39,701.13, 54,783.72 and 22,705.71

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Solution

The fourth proportional to 39,701.13, 54,783.72 and 22,705.71 is: 31,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.13 : 54,783.72 = 22,705.71 : x
  2. Step 2: Convert to fraction form
    39,701.13/54,783.72 = 22,705.71/x
  3. Step 3: Cross multiply
    39,701.13x = 54,783.72 × 22,705.71
  4. Step 4: Simplify right side
    39,701.13x = 1,243,903,259.04
  5. Step 5: Solve for x
    x = 1,243,903,259.04/39,701.13
  6. Step 6: Final answer
    x = 31,331.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.