Home / 39,614.58-59,430.06-13,318.65

Finding the Fourth Proportional to 39,614.58, 59,430.06 and 13,318.65

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Solution

The fourth proportional to 39,614.58, 59,430.06 and 13,318.65 is: 19,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.58 : 59,430.06 = 13,318.65 : x
  2. Step 2: Convert to fraction form
    39,614.58/59,430.06 = 13,318.65/x
  3. Step 3: Cross multiply
    39,614.58x = 59,430.06 × 13,318.65
  4. Step 4: Simplify right side
    39,614.58x = 791,528,168.62
  5. Step 5: Solve for x
    x = 791,528,168.62/39,614.58
  6. Step 6: Final answer
    x = 19,980.73

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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.