Home / 30,328.86-45,498.24-9,547.50

Finding the Fourth Proportional to 30,328.86, 45,498.24 and 9,547.50

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Solution

The fourth proportional to 30,328.86, 45,498.24 and 9,547.50 is: 14,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.86 : 45,498.24 = 9,547.50 : x
  2. Step 2: Convert to fraction form
    30,328.86/45,498.24 = 9,547.50/x
  3. Step 3: Cross multiply
    30,328.86x = 45,498.24 × 9,547.50
  4. Step 4: Simplify right side
    30,328.86x = 434,394,446.40
  5. Step 5: Solve for x
    x = 434,394,446.40/30,328.86
  6. Step 6: Final answer
    x = 14,322.81

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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.