Home / 30,357.16-45,535.68-9,582.28

Finding the Fourth Proportional to 30,357.16, 45,535.68 and 9,582.28

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Solution

The fourth proportional to 30,357.16, 45,535.68 and 9,582.28 is: 14,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.16 : 45,535.68 = 9,582.28 : x
  2. Step 2: Convert to fraction form
    30,357.16/45,535.68 = 9,582.28/x
  3. Step 3: Cross multiply
    30,357.16x = 45,535.68 × 9,582.28
  4. Step 4: Simplify right side
    30,357.16x = 436,335,635.75
  5. Step 5: Solve for x
    x = 436,335,635.75/30,357.16
  6. Step 6: Final answer
    x = 14,373.40

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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.