Home / 39,509.08-59,263.50-13,207.80

Finding the Fourth Proportional to 39,509.08, 59,263.50 and 13,207.80

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Solution

The fourth proportional to 39,509.08, 59,263.50 and 13,207.80 is: 19,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.08 : 59,263.50 = 13,207.80 : x
  2. Step 2: Convert to fraction form
    39,509.08/59,263.50 = 13,207.80/x
  3. Step 3: Cross multiply
    39,509.08x = 59,263.50 × 13,207.80
  4. Step 4: Simplify right side
    39,509.08x = 782,740,455.30
  5. Step 5: Solve for x
    x = 782,740,455.30/39,509.08
  6. Step 6: Final answer
    x = 19,811.66

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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.