Home / 39,480.50-59,207.91-13,178.18

Finding the Fourth Proportional to 39,480.50, 59,207.91 and 13,178.18

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Solution

The fourth proportional to 39,480.50, 59,207.91 and 13,178.18 is: 19,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.50 : 59,207.91 = 13,178.18 : x
  2. Step 2: Convert to fraction form
    39,480.50/59,207.91 = 13,178.18/x
  3. Step 3: Cross multiply
    39,480.50x = 59,207.91 × 13,178.18
  4. Step 4: Simplify right side
    39,480.50x = 780,252,495.40
  5. Step 5: Solve for x
    x = 780,252,495.40/39,480.50
  6. Step 6: Final answer
    x = 19,762.98

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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.