Home / 39,417.84-54,369.63-23,490

Finding the Fourth Proportional to 39,417.84, 54,369.63 and 23,490

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Solution

The fourth proportional to 39,417.84, 54,369.63 and 23,490 is: 32,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.84 : 54,369.63 = 23,490 : x
  2. Step 2: Convert to fraction form
    39,417.84/54,369.63 = 23,490/x
  3. Step 3: Cross multiply
    39,417.84x = 54,369.63 × 23,490
  4. Step 4: Simplify right side
    39,417.84x = 1,277,142,608.70
  5. Step 5: Solve for x
    x = 1,277,142,608.70/39,417.84
  6. Step 6: Final answer
    x = 32,400.12

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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.