Home / 39,008.58-58,501.70-12,715.62

Finding the Fourth Proportional to 39,008.58, 58,501.70 and 12,715.62

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Solution

The fourth proportional to 39,008.58, 58,501.70 and 12,715.62 is: 19,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.58 : 58,501.70 = 12,715.62 : x
  2. Step 2: Convert to fraction form
    39,008.58/58,501.70 = 12,715.62/x
  3. Step 3: Cross multiply
    39,008.58x = 58,501.70 × 12,715.62
  4. Step 4: Simplify right side
    39,008.58x = 743,885,386.55
  5. Step 5: Solve for x
    x = 743,885,386.55/39,008.58
  6. Step 6: Final answer
    x = 19,069.79

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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.