Home / 30,007.02-45,017.23-11,287.22

Finding the Fourth Proportional to 30,007.02, 45,017.23 and 11,287.22

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Solution

The fourth proportional to 30,007.02, 45,017.23 and 11,287.22 is: 16,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.02 : 45,017.23 = 11,287.22 : x
  2. Step 2: Convert to fraction form
    30,007.02/45,017.23 = 11,287.22/x
  3. Step 3: Cross multiply
    30,007.02x = 45,017.23 × 11,287.22
  4. Step 4: Simplify right side
    30,007.02x = 508,119,378.80
  5. Step 5: Solve for x
    x = 508,119,378.80/30,007.02
  6. Step 6: Final answer
    x = 16,933.35

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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.