Home / 42,140.09-58,153.14-23,277.21

Finding the Fourth Proportional to 42,140.09, 58,153.14 and 23,277.21

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Solution

The fourth proportional to 42,140.09, 58,153.14 and 23,277.21 is: 32,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140.09 : 58,153.14 = 23,277.21 : x
  2. Step 2: Convert to fraction form
    42,140.09/58,153.14 = 23,277.21/x
  3. Step 3: Cross multiply
    42,140.09x = 58,153.14 × 23,277.21
  4. Step 4: Simplify right side
    42,140.09x = 1,353,642,851.94
  5. Step 5: Solve for x
    x = 1,353,642,851.94/42,140.09
  6. Step 6: Final answer
    x = 32,122.45

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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.