Home / 39,830.49-54,938.07-26,214.18

Finding the Fourth Proportional to 39,830.49, 54,938.07 and 26,214.18

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Solution

The fourth proportional to 39,830.49, 54,938.07 and 26,214.18 is: 36,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.49 : 54,938.07 = 26,214.18 : x
  2. Step 2: Convert to fraction form
    39,830.49/54,938.07 = 26,214.18/x
  3. Step 3: Cross multiply
    39,830.49x = 54,938.07 × 26,214.18
  4. Step 4: Simplify right side
    39,830.49x = 1,440,156,455.83
  5. Step 5: Solve for x
    x = 1,440,156,455.83/39,830.49
  6. Step 6: Final answer
    x = 36,157.14

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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.