Home / 51,312.40-70,827.24-30,100.24

Finding the Fourth Proportional to 51,312.40, 70,827.24 and 30,100.24

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Solution

The fourth proportional to 51,312.40, 70,827.24 and 30,100.24 is: 41,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312.40 : 70,827.24 = 30,100.24 : x
  2. Step 2: Convert to fraction form
    51,312.40/70,827.24 = 30,100.24/x
  3. Step 3: Cross multiply
    51,312.40x = 70,827.24 × 30,100.24
  4. Step 4: Simplify right side
    51,312.40x = 2,131,916,922.54
  5. Step 5: Solve for x
    x = 2,131,916,922.54/51,312.40
  6. Step 6: Final answer
    x = 41,547.79

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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.