Home / 31,278.26-46,916.98-12,557.96

Finding the Fourth Proportional to 31,278.26, 46,916.98 and 12,557.96

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Solution

The fourth proportional to 31,278.26, 46,916.98 and 12,557.96 is: 18,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.26 : 46,916.98 = 12,557.96 : x
  2. Step 2: Convert to fraction form
    31,278.26/46,916.98 = 12,557.96/x
  3. Step 3: Cross multiply
    31,278.26x = 46,916.98 × 12,557.96
  4. Step 4: Simplify right side
    31,278.26x = 589,181,312.01
  5. Step 5: Solve for x
    x = 589,181,312.01/31,278.26
  6. Step 6: Final answer
    x = 18,836.77

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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.