Home / 42,921.68-59,265.48-27,821.52

Finding the Fourth Proportional to 42,921.68, 59,265.48 and 27,821.52

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Solution

The fourth proportional to 42,921.68, 59,265.48 and 27,821.52 is: 38,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921.68 : 59,265.48 = 27,821.52 : x
  2. Step 2: Convert to fraction form
    42,921.68/59,265.48 = 27,821.52/x
  3. Step 3: Cross multiply
    42,921.68x = 59,265.48 × 27,821.52
  4. Step 4: Simplify right side
    42,921.68x = 1,648,855,737.13
  5. Step 5: Solve for x
    x = 1,648,855,737.13/42,921.68
  6. Step 6: Final answer
    x = 38,415.45

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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.