Home / 51,236.13-70,705.71-28,575.15

Finding the Fourth Proportional to 51,236.13, 70,705.71 and 28,575.15

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Solution

The fourth proportional to 51,236.13, 70,705.71 and 28,575.15 is: 39,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.13 : 70,705.71 = 28,575.15 : x
  2. Step 2: Convert to fraction form
    51,236.13/70,705.71 = 28,575.15/x
  3. Step 3: Cross multiply
    51,236.13x = 70,705.71 × 28,575.15
  4. Step 4: Simplify right side
    51,236.13x = 2,020,426,269.11
  5. Step 5: Solve for x
    x = 2,020,426,269.11/51,236.13
  6. Step 6: Final answer
    x = 39,433.62

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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.