Home / 40,457.84-60,661.39-12,368.55

Finding the Fourth Proportional to 40,457.84, 60,661.39 and 12,368.55

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Solution

The fourth proportional to 40,457.84, 60,661.39 and 12,368.55 is: 18,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,457.84 : 60,661.39 = 12,368.55 : x
  2. Step 2: Convert to fraction form
    40,457.84/60,661.39 = 12,368.55/x
  3. Step 3: Cross multiply
    40,457.84x = 60,661.39 × 12,368.55
  4. Step 4: Simplify right side
    40,457.84x = 750,293,435.28
  5. Step 5: Solve for x
    x = 750,293,435.28/40,457.84
  6. Step 6: Final answer
    x = 18,545.07

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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.