Home / 30,030.40-45,014.25-11,297.53

Finding the Fourth Proportional to 30,030.40, 45,014.25 and 11,297.53

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Solution

The fourth proportional to 30,030.40, 45,014.25 and 11,297.53 is: 16,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.40 : 45,014.25 = 11,297.53 : x
  2. Step 2: Convert to fraction form
    30,030.40/45,014.25 = 11,297.53/x
  3. Step 3: Cross multiply
    30,030.40x = 45,014.25 × 11,297.53
  4. Step 4: Simplify right side
    30,030.40x = 508,549,839.80
  5. Step 5: Solve for x
    x = 508,549,839.80/30,030.40
  6. Step 6: Final answer
    x = 16,934.50

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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.