Home / 30,127.50-45,207.02-21,875.67

Finding the Fourth Proportional to 30,127.50, 45,207.02 and 21,875.67

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Solution

The fourth proportional to 30,127.50, 45,207.02 and 21,875.67 is: 32,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.50 : 45,207.02 = 21,875.67 : x
  2. Step 2: Convert to fraction form
    30,127.50/45,207.02 = 21,875.67/x
  3. Step 3: Cross multiply
    30,127.50x = 45,207.02 × 21,875.67
  4. Step 4: Simplify right side
    30,127.50x = 988,933,741.83
  5. Step 5: Solve for x
    x = 988,933,741.83/30,127.50
  6. Step 6: Final answer
    x = 32,824.95

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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.