Home / 30,399.30-45,598.95-10,675.80

Finding the Fourth Proportional to 30,399.30, 45,598.95 and 10,675.80

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Solution

The fourth proportional to 30,399.30, 45,598.95 and 10,675.80 is: 16,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.30 : 45,598.95 = 10,675.80 : x
  2. Step 2: Convert to fraction form
    30,399.30/45,598.95 = 10,675.80/x
  3. Step 3: Cross multiply
    30,399.30x = 45,598.95 × 10,675.80
  4. Step 4: Simplify right side
    30,399.30x = 486,805,270.41
  5. Step 5: Solve for x
    x = 486,805,270.41/30,399.30
  6. Step 6: Final answer
    x = 16,013.70

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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.