Home / 51,242.40-70,705.44-28,886.40

Finding the Fourth Proportional to 51,242.40, 70,705.44 and 28,886.40

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Solution

The fourth proportional to 51,242.40, 70,705.44 and 28,886.40 is: 39,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.40 : 70,705.44 = 28,886.40 : x
  2. Step 2: Convert to fraction form
    51,242.40/70,705.44 = 28,886.40/x
  3. Step 3: Cross multiply
    51,242.40x = 70,705.44 × 28,886.40
  4. Step 4: Simplify right side
    51,242.40x = 2,042,425,622.02
  5. Step 5: Solve for x
    x = 2,042,425,622.02/51,242.40
  6. Step 6: Final answer
    x = 39,858.12

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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.