Home / 45,711.40-62,968.98-38,975.08

Finding the Fourth Proportional to 45,711.40, 62,968.98 and 38,975.08

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Solution

The fourth proportional to 45,711.40, 62,968.98 and 38,975.08 is: 53,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,711.40 : 62,968.98 = 38,975.08 : x
  2. Step 2: Convert to fraction form
    45,711.40/62,968.98 = 38,975.08/x
  3. Step 3: Cross multiply
    45,711.40x = 62,968.98 × 38,975.08
  4. Step 4: Simplify right side
    45,711.40x = 2,454,221,033.02
  5. Step 5: Solve for x
    x = 2,454,221,033.02/45,711.40
  6. Step 6: Final answer
    x = 53,689.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.