Home / 42,312.36-58,388.40-23,448

Finding the Fourth Proportional to 42,312.36, 58,388.40 and 23,448

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Solution

The fourth proportional to 42,312.36, 58,388.40 and 23,448 is: 32,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.36 : 58,388.40 = 23,448 : x
  2. Step 2: Convert to fraction form
    42,312.36/58,388.40 = 23,448/x
  3. Step 3: Cross multiply
    42,312.36x = 58,388.40 × 23,448
  4. Step 4: Simplify right side
    42,312.36x = 1,369,091,203.20
  5. Step 5: Solve for x
    x = 1,369,091,203.20/42,312.36
  6. Step 6: Final answer
    x = 32,356.77

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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.