Home / 30,301.57-45,459.63-9,525.07

Finding the Fourth Proportional to 30,301.57, 45,459.63 and 9,525.07

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Solution

The fourth proportional to 30,301.57, 45,459.63 and 9,525.07 is: 14,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.57 : 45,459.63 = 9,525.07 : x
  2. Step 2: Convert to fraction form
    30,301.57/45,459.63 = 9,525.07/x
  3. Step 3: Cross multiply
    30,301.57x = 45,459.63 × 9,525.07
  4. Step 4: Simplify right side
    30,301.57x = 433,006,157.92
  5. Step 5: Solve for x
    x = 433,006,157.92/30,301.57
  6. Step 6: Final answer
    x = 14,289.89

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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.