Home / 51,292.40-70,783.31-28,631.19

Finding the Fourth Proportional to 51,292.40, 70,783.31 and 28,631.19

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Solution

The fourth proportional to 51,292.40, 70,783.31 and 28,631.19 is: 39,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.40 : 70,783.31 = 28,631.19 : x
  2. Step 2: Convert to fraction form
    51,292.40/70,783.31 = 28,631.19/x
  3. Step 3: Cross multiply
    51,292.40x = 70,783.31 × 28,631.19
  4. Step 4: Simplify right side
    51,292.40x = 2,026,610,397.44
  5. Step 5: Solve for x
    x = 2,026,610,397.44/51,292.40
  6. Step 6: Final answer
    x = 39,510.93

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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.