Home / 42,035.52-58,009.28-23,172.32

Finding the Fourth Proportional to 42,035.52, 58,009.28 and 23,172.32

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Solution

The fourth proportional to 42,035.52, 58,009.28 and 23,172.32 is: 31,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.52 : 58,009.28 = 23,172.32 : x
  2. Step 2: Convert to fraction form
    42,035.52/58,009.28 = 23,172.32/x
  3. Step 3: Cross multiply
    42,035.52x = 58,009.28 × 23,172.32
  4. Step 4: Simplify right side
    42,035.52x = 1,344,209,599.13
  5. Step 5: Solve for x
    x = 1,344,209,599.13/42,035.52
  6. Step 6: Final answer
    x = 31,977.95

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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.