Home / 39,519.80-59,303.28-14,217.20

Finding the Fourth Proportional to 39,519.80, 59,303.28 and 14,217.20

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Solution

The fourth proportional to 39,519.80, 59,303.28 and 14,217.20 is: 21,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.80 : 59,303.28 = 14,217.20 : x
  2. Step 2: Convert to fraction form
    39,519.80/59,303.28 = 14,217.20/x
  3. Step 3: Cross multiply
    39,519.80x = 59,303.28 × 14,217.20
  4. Step 4: Simplify right side
    39,519.80x = 843,126,592.42
  5. Step 5: Solve for x
    x = 843,126,592.42/39,519.80
  6. Step 6: Final answer
    x = 21,334.28

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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.