Home / 45,000.83-67,503.06-15,421.66

Finding the Fourth Proportional to 45,000.83, 67,503.06 and 15,421.66

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Solution

The fourth proportional to 45,000.83, 67,503.06 and 15,421.66 is: 23,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,000.83 : 67,503.06 = 15,421.66 : x
  2. Step 2: Convert to fraction form
    45,000.83/67,503.06 = 15,421.66/x
  3. Step 3: Cross multiply
    45,000.83x = 67,503.06 × 15,421.66
  4. Step 4: Simplify right side
    45,000.83x = 1,041,009,240.28
  5. Step 5: Solve for x
    x = 1,041,009,240.28/45,000.83
  6. Step 6: Final answer
    x = 23,133.11

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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.