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Finding the Fourth Proportional to 30,402.52, 45,603.24 and 9,626.08

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Solution

The fourth proportional to 30,402.52, 45,603.24 and 9,626.08 is: 14,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.52 : 45,603.24 = 9,626.08 : x
  2. Step 2: Convert to fraction form
    30,402.52/45,603.24 = 9,626.08/x
  3. Step 3: Cross multiply
    30,402.52x = 45,603.24 × 9,626.08
  4. Step 4: Simplify right side
    30,402.52x = 438,980,436.50
  5. Step 5: Solve for x
    x = 438,980,436.50/30,402.52
  6. Step 6: Final answer
    x = 14,438.95

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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.