Home / 38,916.18-58,382.79-12,623.58

Finding the Fourth Proportional to 38,916.18, 58,382.79 and 12,623.58

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Solution

The fourth proportional to 38,916.18, 58,382.79 and 12,623.58 is: 18,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.18 : 58,382.79 = 12,623.58 : x
  2. Step 2: Convert to fraction form
    38,916.18/58,382.79 = 12,623.58/x
  3. Step 3: Cross multiply
    38,916.18x = 58,382.79 × 12,623.58
  4. Step 4: Simplify right side
    38,916.18x = 736,999,820.19
  5. Step 5: Solve for x
    x = 736,999,820.19/38,916.18
  6. Step 6: Final answer
    x = 18,938.13

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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.