Home / 31,290.23-46,935.38-7,916.66

Finding the Fourth Proportional to 31,290.23, 46,935.38 and 7,916.66

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Solution

The fourth proportional to 31,290.23, 46,935.38 and 7,916.66 is: 11,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.23 : 46,935.38 = 7,916.66 : x
  2. Step 2: Convert to fraction form
    31,290.23/46,935.38 = 7,916.66/x
  3. Step 3: Cross multiply
    31,290.23x = 46,935.38 × 7,916.66
  4. Step 4: Simplify right side
    31,290.23x = 371,571,445.43
  5. Step 5: Solve for x
    x = 371,571,445.43/31,290.23
  6. Step 6: Final answer
    x = 11,875.00

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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.