Home / 45,045.72-67,539.96-39,510.18

Finding the Fourth Proportional to 45,045.72, 67,539.96 and 39,510.18

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Solution

The fourth proportional to 45,045.72, 67,539.96 and 39,510.18 is: 59,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,045.72 : 67,539.96 = 39,510.18 : x
  2. Step 2: Convert to fraction form
    45,045.72/67,539.96 = 39,510.18/x
  3. Step 3: Cross multiply
    45,045.72x = 67,539.96 × 39,510.18
  4. Step 4: Simplify right side
    45,045.72x = 2,668,515,976.79
  5. Step 5: Solve for x
    x = 2,668,515,976.79/45,045.72
  6. Step 6: Final answer
    x = 59,240.17

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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.