Home / 45,184.41-67,776.75-42,444.18

Finding the Fourth Proportional to 45,184.41, 67,776.75 and 42,444.18

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Solution

The fourth proportional to 45,184.41, 67,776.75 and 42,444.18 is: 63,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,184.41 : 67,776.75 = 42,444.18 : x
  2. Step 2: Convert to fraction form
    45,184.41/67,776.75 = 42,444.18/x
  3. Step 3: Cross multiply
    45,184.41x = 67,776.75 × 42,444.18
  4. Step 4: Simplify right side
    45,184.41x = 2,876,728,576.82
  5. Step 5: Solve for x
    x = 2,876,728,576.82/45,184.41
  6. Step 6: Final answer
    x = 63,666.40

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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.