Home / 37,866.52-52,258.08-20,870.74

Finding the Fourth Proportional to 37,866.52, 52,258.08 and 20,870.74

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Solution

The fourth proportional to 37,866.52, 52,258.08 and 20,870.74 is: 28,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,866.52 : 52,258.08 = 20,870.74 : x
  2. Step 2: Convert to fraction form
    37,866.52/52,258.08 = 20,870.74/x
  3. Step 3: Cross multiply
    37,866.52x = 52,258.08 × 20,870.74
  4. Step 4: Simplify right side
    37,866.52x = 1,090,664,800.58
  5. Step 5: Solve for x
    x = 1,090,664,800.58/37,866.52
  6. Step 6: Final answer
    x = 28,802.88

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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.