Home / 31,368.60-43,277.90-17,930.16

Finding the Fourth Proportional to 31,368.60, 43,277.90 and 17,930.16

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Solution

The fourth proportional to 31,368.60, 43,277.90 and 17,930.16 is: 24,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.60 : 43,277.90 = 17,930.16 : x
  2. Step 2: Convert to fraction form
    31,368.60/43,277.90 = 17,930.16/x
  3. Step 3: Cross multiply
    31,368.60x = 43,277.90 × 17,930.16
  4. Step 4: Simplify right side
    31,368.60x = 775,979,581.81
  5. Step 5: Solve for x
    x = 775,979,581.81/31,368.60
  6. Step 6: Final answer
    x = 24,737.46

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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.