Home / 40,938.91-56,477.31-25,020.40

Finding the Fourth Proportional to 40,938.91, 56,477.31 and 25,020.40

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Solution

The fourth proportional to 40,938.91, 56,477.31 and 25,020.40 is: 34,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.91 : 56,477.31 = 25,020.40 : x
  2. Step 2: Convert to fraction form
    40,938.91/56,477.31 = 25,020.40/x
  3. Step 3: Cross multiply
    40,938.91x = 56,477.31 × 25,020.40
  4. Step 4: Simplify right side
    40,938.91x = 1,413,084,887.12
  5. Step 5: Solve for x
    x = 1,413,084,887.12/40,938.91
  6. Step 6: Final answer
    x = 34,516.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.