Home / 59,731.95-89,611.77-20,289.09

Finding the Fourth Proportional to 59,731.95, 89,611.77 and 20,289.09

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Solution

The fourth proportional to 59,731.95, 89,611.77 and 20,289.09 is: 30,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,731.95 : 89,611.77 = 20,289.09 : x
  2. Step 2: Convert to fraction form
    59,731.95/89,611.77 = 20,289.09/x
  3. Step 3: Cross multiply
    59,731.95x = 89,611.77 × 20,289.09
  4. Step 4: Simplify right side
    59,731.95x = 1,818,141,266.59
  5. Step 5: Solve for x
    x = 1,818,141,266.59/59,731.95
  6. Step 6: Final answer
    x = 30,438.34

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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.