Home / 34,785.60-48,004.32-18,870.08

Finding the Fourth Proportional to 34,785.60, 48,004.32 and 18,870.08

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Solution

The fourth proportional to 34,785.60, 48,004.32 and 18,870.08 is: 26,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.60 : 48,004.32 = 18,870.08 : x
  2. Step 2: Convert to fraction form
    34,785.60/48,004.32 = 18,870.08/x
  3. Step 3: Cross multiply
    34,785.60x = 48,004.32 × 18,870.08
  4. Step 4: Simplify right side
    34,785.60x = 905,845,358.75
  5. Step 5: Solve for x
    x = 905,845,358.75/34,785.60
  6. Step 6: Final answer
    x = 26,040.81

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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.