Home / 30,289.60-45,441.59-9,513.10

Finding the Fourth Proportional to 30,289.60, 45,441.59 and 9,513.10

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Solution

The fourth proportional to 30,289.60, 45,441.59 and 9,513.10 is: 14,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.60 : 45,441.59 = 9,513.10 : x
  2. Step 2: Convert to fraction form
    30,289.60/45,441.59 = 9,513.10/x
  3. Step 3: Cross multiply
    30,289.60x = 45,441.59 × 9,513.10
  4. Step 4: Simplify right side
    30,289.60x = 432,290,342.26
  5. Step 5: Solve for x
    x = 432,290,342.26/30,289.60
  6. Step 6: Final answer
    x = 14,271.91

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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.