Home / 45,038.12-62,158.78-25,917.50

Finding the Fourth Proportional to 45,038.12, 62,158.78 and 25,917.50

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Solution

The fourth proportional to 45,038.12, 62,158.78 and 25,917.50 is: 35,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.12 : 62,158.78 = 25,917.50 : x
  2. Step 2: Convert to fraction form
    45,038.12/62,158.78 = 25,917.50/x
  3. Step 3: Cross multiply
    45,038.12x = 62,158.78 × 25,917.50
  4. Step 4: Simplify right side
    45,038.12x = 1,611,000,368.44
  5. Step 5: Solve for x
    x = 1,611,000,368.44/45,038.12
  6. Step 6: Final answer
    x = 35,769.71

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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.