Home / 30,161.60-45,254.52-13,510.16

Finding the Fourth Proportional to 30,161.60, 45,254.52 and 13,510.16

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Solution

The fourth proportional to 30,161.60, 45,254.52 and 13,510.16 is: 20,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.60 : 45,254.52 = 13,510.16 : x
  2. Step 2: Convert to fraction form
    30,161.60/45,254.52 = 13,510.16/x
  3. Step 3: Cross multiply
    30,161.60x = 45,254.52 × 13,510.16
  4. Step 4: Simplify right side
    30,161.60x = 611,395,805.92
  5. Step 5: Solve for x
    x = 611,395,805.92/30,161.60
  6. Step 6: Final answer
    x = 20,270.67

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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.