Home / 51,876.40-77,689.86-29,622.32

Finding the Fourth Proportional to 51,876.40, 77,689.86 and 29,622.32

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Solution

The fourth proportional to 51,876.40, 77,689.86 and 29,622.32 is: 44,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.40 : 77,689.86 = 29,622.32 : x
  2. Step 2: Convert to fraction form
    51,876.40/77,689.86 = 29,622.32/x
  3. Step 3: Cross multiply
    51,876.40x = 77,689.86 × 29,622.32
  4. Step 4: Simplify right side
    51,876.40x = 2,301,353,893.68
  5. Step 5: Solve for x
    x = 2,301,353,893.68/51,876.40
  6. Step 6: Final answer
    x = 44,362.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.