Home / 42,841.77-59,121.63-23,978.90

Finding the Fourth Proportional to 42,841.77, 59,121.63 and 23,978.90

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Solution

The fourth proportional to 42,841.77, 59,121.63 and 23,978.90 is: 33,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,841.77 : 59,121.63 = 23,978.90 : x
  2. Step 2: Convert to fraction form
    42,841.77/59,121.63 = 23,978.90/x
  3. Step 3: Cross multiply
    42,841.77x = 59,121.63 × 23,978.90
  4. Step 4: Simplify right side
    42,841.77x = 1,417,671,358.00
  5. Step 5: Solve for x
    x = 1,417,671,358.00/42,841.77
  6. Step 6: Final answer
    x = 33,090.87

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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.