Home / 30,308.16-45,461.17-9,247.35

Finding the Fourth Proportional to 30,308.16, 45,461.17 and 9,247.35

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Solution

The fourth proportional to 30,308.16, 45,461.17 and 9,247.35 is: 13,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.16 : 45,461.17 = 9,247.35 : x
  2. Step 2: Convert to fraction form
    30,308.16/45,461.17 = 9,247.35/x
  3. Step 3: Cross multiply
    30,308.16x = 45,461.17 × 9,247.35
  4. Step 4: Simplify right side
    30,308.16x = 420,395,350.40
  5. Step 5: Solve for x
    x = 420,395,350.40/30,308.16
  6. Step 6: Final answer
    x = 13,870.70

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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.