Home / 42,720.68-58,870.54-32,660.48

Finding the Fourth Proportional to 42,720.68, 58,870.54 and 32,660.48

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Solution

The fourth proportional to 42,720.68, 58,870.54 and 32,660.48 is: 45,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,720.68 : 58,870.54 = 32,660.48 : x
  2. Step 2: Convert to fraction form
    42,720.68/58,870.54 = 32,660.48/x
  3. Step 3: Cross multiply
    42,720.68x = 58,870.54 × 32,660.48
  4. Step 4: Simplify right side
    42,720.68x = 1,922,740,094.26
  5. Step 5: Solve for x
    x = 1,922,740,094.26/42,720.68
  6. Step 6: Final answer
    x = 45,007.24

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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.