Home / 42,612.98-58,810.07-31,839.17

Finding the Fourth Proportional to 42,612.98, 58,810.07 and 31,839.17

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Solution

The fourth proportional to 42,612.98, 58,810.07 and 31,839.17 is: 43,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.98 : 58,810.07 = 31,839.17 : x
  2. Step 2: Convert to fraction form
    42,612.98/58,810.07 = 31,839.17/x
  3. Step 3: Cross multiply
    42,612.98x = 58,810.07 × 31,839.17
  4. Step 4: Simplify right side
    42,612.98x = 1,872,463,601.99
  5. Step 5: Solve for x
    x = 1,872,463,601.99/42,612.98
  6. Step 6: Final answer
    x = 43,941.16

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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.