Home / 37,869.90-52,258.35-20,870.82

Finding the Fourth Proportional to 37,869.90, 52,258.35 and 20,870.82

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Solution

The fourth proportional to 37,869.90, 52,258.35 and 20,870.82 is: 28,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.90 : 52,258.35 = 20,870.82 : x
  2. Step 2: Convert to fraction form
    37,869.90/52,258.35 = 20,870.82/x
  3. Step 3: Cross multiply
    37,869.90x = 52,258.35 × 20,870.82
  4. Step 4: Simplify right side
    37,869.90x = 1,090,674,616.35
  5. Step 5: Solve for x
    x = 1,090,674,616.35/37,869.90
  6. Step 6: Final answer
    x = 28,800.57

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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.