Home / 39,312.53-58,950.65-12,653.61

Finding the Fourth Proportional to 39,312.53, 58,950.65 and 12,653.61

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Solution

The fourth proportional to 39,312.53, 58,950.65 and 12,653.61 is: 18,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.53 : 58,950.65 = 12,653.61 : x
  2. Step 2: Convert to fraction form
    39,312.53/58,950.65 = 12,653.61/x
  3. Step 3: Cross multiply
    39,312.53x = 58,950.65 × 12,653.61
  4. Step 4: Simplify right side
    39,312.53x = 745,938,471.08
  5. Step 5: Solve for x
    x = 745,938,471.08/39,312.53
  6. Step 6: Final answer
    x = 18,974.58

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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.