Home / 48,685.87-67,227.47-30,812.41

Finding the Fourth Proportional to 48,685.87, 67,227.47 and 30,812.41

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Solution

The fourth proportional to 48,685.87, 67,227.47 and 30,812.41 is: 42,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.87 : 67,227.47 = 30,812.41 : x
  2. Step 2: Convert to fraction form
    48,685.87/67,227.47 = 30,812.41/x
  3. Step 3: Cross multiply
    48,685.87x = 67,227.47 × 30,812.41
  4. Step 4: Simplify right side
    48,685.87x = 2,071,440,368.90
  5. Step 5: Solve for x
    x = 2,071,440,368.90/48,685.87
  6. Step 6: Final answer
    x = 42,547.05

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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.