Home / 30,394.08-45,561.96-9,603.36

Finding the Fourth Proportional to 30,394.08, 45,561.96 and 9,603.36

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Solution

The fourth proportional to 30,394.08, 45,561.96 and 9,603.36 is: 14,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.08 : 45,561.96 = 9,603.36 : x
  2. Step 2: Convert to fraction form
    30,394.08/45,561.96 = 9,603.36/x
  3. Step 3: Cross multiply
    30,394.08x = 45,561.96 × 9,603.36
  4. Step 4: Simplify right side
    30,394.08x = 437,547,904.19
  5. Step 5: Solve for x
    x = 437,547,904.19/30,394.08
  6. Step 6: Final answer
    x = 14,395.83

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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.