Home / 42,764.90-64,147.36-23,052.74

Finding the Fourth Proportional to 42,764.90, 64,147.36 and 23,052.74

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Solution

The fourth proportional to 42,764.90, 64,147.36 and 23,052.74 is: 34,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,764.90 : 64,147.36 = 23,052.74 : x
  2. Step 2: Convert to fraction form
    42,764.90/64,147.36 = 23,052.74/x
  3. Step 3: Cross multiply
    42,764.90x = 64,147.36 × 23,052.74
  4. Step 4: Simplify right side
    42,764.90x = 1,478,772,411.77
  5. Step 5: Solve for x
    x = 1,478,772,411.77/42,764.90
  6. Step 6: Final answer
    x = 34,579.12

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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.